Marantec Garage Door Opener Troubleshooting

Marantec has been producing high-quality openers with exceptional service. The home garage door opener series is energy-efficient, long-lasting, and trouble-free. It is, nevertheless, susceptible to wear and tear and operating concerns over time, just like any other equipment.

Garage door openers from Marantec are quite simple to diagnose and troubleshoot. However, if you have a more technical problem, you may always seek expert help. Continue reading for information and troubleshooting suggestions for Marantec garage door openers.

So here is the Marantec Garage Door Opener Troubleshooting Guide:

Marantec garage door opener light flashing

Most common reason against light flashing:  The safety sensors are misaligned or obstructed if the opener light is blinking and the garage door is not shutting. Modern garage door openers have safety sensors that compel the garage door to reverse while closing or refuse to close if they detect motion or an item in its path. Remove the impediment or realign the safety sensors to stop the light from flashing.

How to Re-Align the Photo Eye Sensors?

The photo-eyes sensors maintain an invisible, uninterrupted light beam between them, and when this beam is obstructed, the garage door refuses to close automatically. The sensors can be readjusted in the following manner.

  • Pull the emergency release cord to allow you to manually close the door if it would not close. Then close the garage door to confirm that the light beam is visible.
  • The sensors are out of alignment if the opener is turned on and the green light flashes.
  • With a screwdriver, loosen the screws that keep the mounting brackets in place.
  • Clean the picture lenses with a clean rag if there were no items on the path. When dirt collects on the lenses, it seems as though the doorway is moving.
  • Move the sensors around until the transmitter sensor’s green light illuminates steadily, indicating appropriate alignment.
  • Tighten the bracket screws while holding the photo-eye sensor in place.
  • Disengage the emergency release cable and physically return the garage door to the open position. Make sure there are no obstructions in the opening.
  • Place a carton box in front of the beam to block it, then push the wall control button; if the alignment was successful, the garage door would not move. The garage door should close entirely once you remove the carton box.

Other Possible Reasons against Marantec garage door opener light flashing by Self diagnosing Led Light indication  

The self-diagnosing LED light indication on your opener can assist you to figure out what’s wrong with it and how to fix it. The LED light indication on the back or bottom panel of a garage door opener, or below one of the light lenses if your opener has dual lights, is placed on the back or bottom panel of the opener. This LED light flashes for a set amount of time. The most typical issue signs and remedies for garage door openers are shown below.

Marantec 4500 and 4700E Error Codes:

Fault DisplayCodeProblemProblem solution
#7 Flashes7 If no buttons are pressed within 120 seconds, the programming mode terminates automatically.
OPEN and CLOSED door positions are programmed without passing the Reference point.
#8 Flashes8Adjustments setting interrupted before completion.Detective reference switchThe door can be operated normally. Recheck adjustments if adjustment settings were not Completed.
Have operator serviced.
#1 + #8 Flash9Defective RPM sensor/ operator system blocked.Have operator serviced.
#2 + #8 Flash10Door movement too stiff.Force required to move door exceeded set force level.Operator working force setting is too lowCheck door for obstructions, proper manual operation, proper balance, or broken springs.
Clear obstructions or have the door serviced.
If door is OK, increase the force setting. Readjust force and run the operator for two (2) uninterrupted complete cycles.
“Advanced settings”
Level 2 (Menu 1 and Menu 2). REPEAT THE “SAFETY REVERSAL TEST” AFTER ADJUSTMENT IS COMPLETE.
#3 + #8 Flash11Operator exceeded maximum run time limit.Make sure the rail is connected to operator’s head and the belt or chain is moving.
#7 + #8 Flash15Photo eye sensors not connected properly.Photo eye sensors not aligned.Obstruction in the door path (photo eye beam broken).Check photo eye sensors wiring and connections.
Realign photo eye sensors.
Remove obstruction from door path.
#1 + #7 + #8 Flash16Force watchdog circuit found error.The sensor which monitors the operator sensitivity has failed.Readjust the operator force(s) and run the operator for two (2) uninterrupted complete cycles.
“Advanced settings”
Level 2 (Menu 1 and Menu 2). REPEAT THE “SAFETY REVERSAL TEST” AFTER ADJUSTMENTS ARE COMPLETE. Have the operator checked
#5 + #6 + #7 + #8 Flash26Under voltage, the operator system overloaded at the maximum force setting.Operator system overloaded.Have the outlet assigned for the operator and/or supplied power checked.
#2 + #5 + #6 + #7 + #8 Flash28Door movement is too stiff or irregular. Door blocked. Operator operating sensitivity set too sensitive (low).Check door for obstructions, proper manual operation, proper balance, or broken springs. Clear obstructions or have door serviced, If needed.
Have the operating sensitivity settings checked by an authorized dealer/installer
“Advanced settings”
(Menu 3 and Menu 4.). Run the operator for two (2) uninterrupted complete cycles after adjustments are completed
   
  
Marantec Garage Door Opener Troubleshooting

Marantec garage door opener programming

First Stage: Installment of the system, you can see later in the section in the manual guides of all of marantec models.

  • Marantec Syntergy 360, 370, 380
  • Marantec Syntergy 260, 270, 280
  • Marantec Line M4500e, M4700e

2nd Stage Programming of Marantec Remote Control

How to Program a Marantec (270/280) Opener

Marantec Garage Door Opener Troubleshooting
  • Press and hold the “P” button① for approximately 3-5 seconds. The LED screen② will
  • Count up and release the “P” button① at 4 when the open door icon⑥ appears (see Right).
  • Press and hold the “+” button③ to drive the unit to the open position. If required adjust the position using the “-” button④ and “+” button③.
  • Save the open position by pressing the “P” button① for 1 second. The closed icon⑦ will appear (see Right).
  • Now press and hold the “-” button④ and the garage door will drive to the closed position. If required adjust the position using the “-” button④ and “+” button③.
  • Press the “P” button① for 1 second to save the closed position. Now the transmitter learns icon⑧ will appear (see Right).
  • Press the desired button⑤ on the remote to learn the remote to the unit.
  • Release the remote button⑤.
  • Press the “P” button① for approximately 1 second to save the settings and exit programming.
  • Once exiting program mode, the unit will return to standby mode

Remote Programming of Marantec M4500 and M4700 Openers

To Program A Remote:

  • Press and hold the “P” button for approximately 2 seconds. When all LEDs illuminate and LED #2 begins to blink, release the button. You are now ready to set or change the desired adjustment.
  • Press and release the “P” button until the #7 LED is illuminated
  • LED #7 should be blinking. The opener can now learn the code of the hand-held transmitter. While LED#7 is blinking, press and hold the button on the transmitter
  • When you see LED #7 flashing rapidly, you can release the transmitter button. The opener has now learned the particular code of this transmitter
  • Once the opener has successfully received the code from the transmitter, press and release the “P” button. This stores the code in memory. It also completes the adjustment setting sequence and completes the program process. The LEDs will automatically fade out in a circular pattern, which indicates that the program mode is complete.
  • LED #8 should now be illuminated, and the opener is ready for operation.

How do you program a universal remote to a Marantec garage door opener? (M4500 or M4700)

Different from other models, Marantec garage door openers only have one remote control code. When you receive more remotes, you may copy the code from the programmed remote to the new ones by connecting the two with the programming jumper and transferring the code. You may add as many remotes to the operator as you desire by doing it this way.

  • Install new batteries in the new remote control.
  • Plug one end of the programming jumper and into the side of the programmed remote control.
  • Plug the other end of the programming jumper into the new remote control you want to copy the code.
  • Press and hold the button on the programmed remote control, and the LED light will turn on.
  • Without releasing the button on the programmed remote, press the button on the new remote, and the LED light will blink rapidly and then steadily, and then release both buttons.
  • To test the programming, disconnect the programming jumper, press the new remote control button, and operate the garage door opener.

Marantec 4500 garage door won’t close

There are a number of possible causes for the garage door not closing:

  • Examine the photo eye sensors for any obstructions. Remove any dogs, snow, or debris that may have accumulated in the garage doorway. Dirt and dust might accumulate on the photosensors, obstructing the beam. Wipe the lenses on both sensors with a moist clean towel.
  • Look for any misalignment. When both the red and green LED lights are shining steadily, you know you’re in good shape. If the transmitter sensor’s green light flashes, the sensors are out of alignment and need to be adjusted.
  • Ascertain that the safety sensors are properly attached. If the photo eye sensors’ LED lights aren’t on, there’s a problem with the connection.
  • Examine the termination cable that connects to the powerhead, unhook it, and firmly reattach it. Assemble the sensor by connecting the white wire to terminal 1 and the stripped wire to terminal 2.
  • Check for any damaged or short cables if the situation persists. Wires can be chewed away by pests and rats, and electrical surges can burn the wires, causing connection issues. Use a multi-tester to check for current in all of the wires and, if required, replace them.

How Do You Reset A Marantec Garage Door Opener Remote?

Resetting will restore the garage door’s to the default operating system, and you should reprogram all the receivers and limit settings. Read more on the Marantec garage door’s reset procedure.

  • Press and hold at the same time all three control buttons (“+,” “-,” “P”)  until the timer reaches 20. Then depress buttons and allow the system to reset.
  • Once the opener completes the reset process, the display will turn on to indicate standby mode.

Alternatively, you can perform the advanced reset procedure to restore factory default settings.

  • Make sure the garage door is closed and the operation mode is set to “ON” on the display system.
  • On the opener powerhead, look for the “+,” “-,” and “P” buttons, as well as the eight numbered red LED lights.
  • Hold the ‘P’ button down until the counter hits ’10,’ then release the button.
  • To select Level 1, use the “-” button.
  • Hold down the ‘P’ button until Menu 3 appears on the LCD screen.
  • Select the reset Menu 8 by pressing the “+” button, and the display will show “1.”
  • Hold down the “P” key and the number “1” will flash.
  • To change the screen display, press and hold “+,” and the number “2” will flash.
  • Press and release ‘P’ to reset the garage door opener, and the screen display will turn off for a few seconds.
  • When the reset is successful, the screen display will illuminate and return to standby mode waiting for reprogramming.
  • Activate the garage door opener for two complete uninterrupted cycles to allow the opener to learn the new default settings.

More Garage Door:

Marantec Garage Door Opener Keypad Troubleshooting

Your wireless keyless entry may cease operating for a variety of reasons. Here’s how to figure out what’s wrong and how to fix it.

Dead batteries

Replace the batteries with triple (AAA) batteries if they are over a year old or the keypad buttons are flashing for 10 seconds.

Frayed or disconnected wires

The most common cause of keypad problems is a faulty connection between the keys and the cables. Using a screwdriver, remove the keyless entry from the wall and open the rear cover. Inspect and reconnect the internal wires, ensuring sure they are secure. If any of the sires are missing, the keypad will need to be replaced.

Defective keypad

After a year of use, the keypad usually stops functioning. Extreme temperatures, humidity, and spilled liquids can all cause the keypad to fail. Cracks, traces of water damage, and damaged keys should all be looked for. Replace the keypad if you can’t repair it.

PIN code error

If the PIN isn’t accepted by the opener, try not to input it too many times because this might permanently harm the keypad. Clear the keypad memory and change the PIN to a new one to repair the problem. Remove the keyless entry from the wall mounting location, remove the batteries, then press and hold the Enter button to clear the keypad memory. Install the batteries, then press and hold the enter button for around 5 seconds to see the LED flash.

Stuck keys

Dust, dirt, and grime can result in the buttons sticking to the pad. When the buttons become stuck, you have to clean the inside and outside of the keypad. Use a clean rag and some appliance cleaner to clean the outside, and then use a soft toothbrush to clean in between the buttons. You can also use compressed air to clean between the keys.

Marantec garage door opener remote control is not working

If your garage door opener is receiving power and not responding to the remote control, there are several ways you can fix the issue. Here is a brief troubleshooting guide for the Marantec remote control.

  1. Check the batteries. Depleted batteries are the most common reason for remote control not working. If you have not replaced the batteries in over six months, you should replace them with the CR2032, 3 Volt battery. Make sure you use the correct batteries; otherwise, they won’t work or won’t last long.
  2. The garage door opener is in Vacation/Lock Mode. The Vacation Mode locks out all remote control transmitters from operating the garage door. To determine if the Lock Mode is active, check if the button on the wall control is flashing. If it is, press and hold the Lock button on the wall control for about 3 seconds, and the big button will give a read steady light to show the opener is out of Lock Mode.
  3. Radio interference. Could be blocking the remote control signal from reaching the garage door opener. Check for new electrical appliances, radio, speakers, light bulbs, remote-controlled toys, and irrigation systems which can all cause signal interference. Contact the Marantac customer car and ask for a change in frequency.
  4. Check the modular receiver. On top of the motor head with an antenna wire protruding from it. Disconnect it and reconnect it, check for dirt and clean the contacts. Check for physical damages like bends and warping or losing connection. If a power surge hit the modular, you would have to replace it.  Make sure you get one compatible with your garage door opener model.
  5. Reprogram the garage door opener to the remote control transmitter.

Marantec Garage Door Opener Sensors

If your garage door sensors are faulty, you can troubleshoot to identify the root cause. There are a few signs that can help you determine the underlying problem with a garage door sensor. By checking these, you can decide whether to fix the problem yourself or contact a professional. Look for these three signs:

  • Light indicators: An easy way to tell if your garage door sensors are out of alignment is by checking if the exterior LED light blinks when you attempt to close the door. Green lights mean the sensors are working, while red lights indicate the sensors are not aligned. If you see red lights, try inspecting the bracket or tightening a screw on the blinking sensor. You’ll know you fixed the sensor if the light stops blinking and your garage door closes properly again. 
  • Dirty lenses: Sometimes fixing your garage door sensors requires just a clean cloth. The sensor lenses can fail to operate when dirt or spider webs block their view of the garage door opening. Wiping off the lenses can help your door function as normal. If your garage is especially dirty or your area is known for dust, you will want to clean your sensors regularly.
  • Damaged wires: The wires responsible for connecting the garage door sensor system can undergo wear and tear as a result of regular use, weather and even pests. Rain and wind, pest infestations and the use of tools can all affect the wires. Check to see if the wires have water damage, chew marks or other indications of tampering. If so, you may need to replace them.

After performing these remedies, recheck your garage door with another cardboard box. This test offers an easy way to see if you fixed the problem or if you should call a garage door expert.

Other Common issues to All Marantec Garage door opener and how to troubleshoot them

SituationSituation Likely Cause And Solution
Operator does not operate from either wall control or transmitterDoes the operator have electric power? Plug a lamp into the electric outlet to see if lamp turns on. If not, check fuse box or circuit breaker (some outlets are controlled by wall switch).
Have you disengaged all locks on door? If not, do so.
The garage door spring may be broken. Have it replaced by a professional garage door technician.
Has snow or ice built up under the door? The door may be frozen to ground.
Remove any restrictions.
Operator operates from transmitter but not from wall controlAre wiring connections correct? Check wall control wiring on page 15.
Is wall control door’s Pushbutton lit? If not, disconnect low voltage wires to wall control and momentarily touch them together.
If operator runs, replace wall control.
If operator does not run, check wiring connections at the operator, and check wire for shorts or breaks under staples.
Operator operates from wall control but not transmitterIs the wall control button light flashing? If so, your opener is in vacation/lock mode. Turn off vacation/lock mode. Refer to “Wall Control Panel”
.Does the transmitter indicator light glow when the transmitter button is pressed? If not, replace the battery. Refer to “Battery Replacement”.
Has the operator learned the code of the transmitter? Repeat transmitter programming steps.
Have all transmitters been set with the same code? Repeat code learning procedure for all remote devices.
Is the photo eye system obstructed? If so, door will only close while wall control door Pushbutton is pressed and held. Refer to “Align and Test Photo Eye Sensors”.
Operator does not work from HomeLink®Has the HomeLink® Transceiver learned the code of the transmitter? Repeat programming steps (refer to HomeLink® Manual).
Operator light does not turn onReplace the light bulb(s) with a standard incandescent maximum 60 Watts each.
If the standard incandescent light bulb burns out prematurely, replace it with 60 Watts maximum garage door operator incandescent light bulb.
Operator light does not turn offIs the wall control Light Feature on? Press Light Button to turn off

Further Marantec Garage Door Opener Troubleshooting in detail of these Models:

  • Marantec Deluxe 2005
  • Marantec COMFORT 250
  • Marantec Comfort 257.2
  • Marantec EX-2005
  • Marantec M-4700
  • Marantec Synergy 360

Marantec Deluxe 2005 garage door opener troubleshooting

SITUATION:CAUSE AND SOLUTION
Opener does not operate from either wall control or transmitter:– Does the opener have electric power? Plug a lamp into the electric outlet to see if lamp turns on. If not, check fuse box or circuit breaker (some outlets are controlled by wall switch).
– Have you disengaged all locks on door? If not, do so.
– Has snow or ice built up under door? Door may be frozen to ground. Remove any restrictions.
– The garage door spring may be broken. Have it replaced by a professional garage door technician.
Opener operates from transmitter but not from wall control:– Are wiring connections correct? Check wall control wiring
– Is wall control door’s Pushbutton lit? If not, disconnect low voltage wires to wall control and momentarily touch them together. If opener runs, replace wall control. If opener does not run, check wiring connections at opener, and check wire for shorts or breaks under staples.
Opener operates from wall control but not transmitter:– Is the wall control button light flashing? If so, your opener is in the vacation/lock mode. Turn off vacation/lock mode.
– Does the transmitter indicator light glow when the transmitter button is pressed? If not, replace battery.
– Has the opener learned the code of the transmitter? Repeat transmitter programming steps.
– Have all transmitters been set with the same code? Repeat code learning procedure for all remote devices.
– Is photo eye obstructed? If so, door will only close while wall control door Pushbutton is pressed and held.
Opener operates from transmitter only from short distance (applies only to 40Mhz models)– Check antenna wire installation.
Door does not open completely:– Is something obstructing the door? Remove obstructions only after ensuring door area is free of persons, pets, and any other objects.
– If door has been working properly but now doesn’t open all the way, increase the up force and/or reset the open travel limit. REPEAT “TEST SAFETY REVERSAL” AFTER ADJUSTMENT IS COMPLETE.
Door does not close completely:– Is something obstructing the door or in the path of the photo eye? Remove obstructions only after ensuring door area is free of persons, pets, and any other objects.
– If door has been working properly but now doesn’t close all the way, increase the down force and/ or reset the close travel limit. REPEAT “TEST SAFETY REVERSAL” AFTER ADJUST- MENT IS COMPLETE.
Door opens but will not close at all:– Check the photo eyes for proper connection and alignment.
– Increase force in down direction. REPEAT “TEST SAFETY REVERSAL” AFTER ADJUSTMENT IS COMPLETE.
Door reverses for no apparent reason:– Is something obstructing the door? Pull emergency release knob and open door manually. If it is unbalanced or broken, call for professional garage door service.
– Clear ice or snow from garage floor area where garage door closes.
– Review and increase force adjustment setting for down travel.
– If door reverses from fully closed position, decrease travel limits.
– REPEAT “TEST SAFETY REVERSAL” AFTER ADJUSTMENT IS COMPLETE.
Opener light does not turn on:– Replace the light bulb(s)—maximum 60 watts each. Use a “garage door opener light bulb” if regular type bulb burns out prematurely.
Opener light does not turn off:– Is the wall control Light Feature on? Press Light Button to turn off. (applies only to Elite 2007 models)
Opener strains or maxi- mum force is needed to operate door:– Door may be out of balance or springs are broken. Close the door and use emergency release knob to disconnect trolley. Open and close door manually. A properly balanced door will hold itself halfway open while being supported entirely by its springs. If it does not, disconnect the opener and call for professional garage door service. DO NOT increase the force to the opener to compensate for unbalanced or damaged door.
Opener does not move door at all:– Door may be locked with a manual door lock. Remove any manual door locks.
– Springs are broken or door is out of balance.
Opener won’t work due to power failure:– Use the emergency release knob to disconnect trolley. Door can be opened and closed manually. When power is restored, reconnect trolley and resume automatic operation of door.

Marantec COMFORT 250 garage door opener troubleshooting

ERRORERROR MESSAGECAUSE FOR ERROR
• Error• Control light VOLTAGE does not light up.• No voltage
• Thermal overload protection in transformer is active.
• Control unit defective
• No reaction on impulse• Control light MALFUNCTION is flashing / error No. 36.• Static current circuit (operating elements) is interrupted.
• Photocell• Control light MALFUNCTION is flashing / error No. 6 or 15• Photocell defective
• Photocell interrupted
• Remote control• Control light IMPULSE does not light up when giving impulse by hand transmitter.• Electronic aerial not connected or wrong installation.
• Wrong programming of hand transmitter coding.
• Empty battery
• Power limit
– max. power
– learning power
• Control light MALFUNCTION is flashing / error No. 10 or 28• Door is too sluggish or is blocked.
• Power limit is set too sensitively.
• Door can only be opened.• Control light MALFUNCTION is flashing / error No. 15.• Photocell programmed but not connected.
• Operator only starts to run shortly.• Control light MALFUNCTION is flashing / error No. 9.• rpm sensor defective.
• Door is too sluggish.
ERRORCAUSE
Error 6: Photocell is active.
Error 7: Programming cancelled.
Error 8: Reference point not OK.
Error 9: Rpm detection defective/Anti-block device is active.
Error 10: Power limit is active.
Error 11: Excess travel stop is active.
Error 15: Testing photocell not OK.
Error 16: Testing power sensor not OK.
Error 26: Voltage monitoring is active.
Error 28: Learned power limit is active.
Error 35: Electronics defective.
Error 36: Static current circuit is interrupted.

Marantec Comfort 257.2 garage door opener troubleshooting

ERRORCAUSESOLUTION
LED 8 does not light up.– No voltage.– Check that the mains power supply is operational.
– Check the connection to the mains power supply.
– Thermal overload protection in power transformer was activated.– Allow the power transformer to cool down.
– Defective control unit.– Have the operator system checked.
No reaction on impulse.– The connection terminals for the “impulse” button were by-passed, e.g. due to a short-circuit or flattened terminals.– Try temporarily disconnecting any key switches or interior push buttons that are connected to the control unit: remove the cable from socket XB02, insert the shorting plug and look for cabling errors.
No reaction on impulse from hand transmitter.– Module antenna is not plugged in.– Connect the module antenna to the control unit.
– The hand transmitter coding does not correspond to the receiver coding.– Activate hand transmitter again.
– Hand transmitter battery is empty.– Insert new battery.
– Defective hand transmitter, control unit electronics or module antenna.– Have all 3 components checked.
Operator reverses when the door frame photocell is interrupted.– The programming of the photocell in the door frame area was not performed correctly.– Carry out a reset of the control, repeat express programming again.
ERRORCAUSESOLUTION
Message 3
– CESD testing in OPEN direction was activated.– Check the door and remove any obstacles.
Message 5
– CESD testing in CLOSED direction was activated.
Message 7
– If no buttons are pressed within 120 seconds, the programming mode terminates automatically.
– OPEN and CLOSED door positions programmed without passing the reference point.
Message 8
– Reference point button defective.– Have the operator system checked.
Message 9
– No speed sensor impulses, drive system is blocked.– Have the operator system checked.
Message 10
– Door movement too stiff.
– Door blocked.
– Ensure that the door moves easily.
– Maximum driving power setting is too low.– Have the max. driving power checked by an expert.
Message 11
– Excess travel stop.– Have the operator system checked.
Message 12
– CESD testing in OPEN direction not OK.– Check closing edge safety device.
– Programme out the closing edge safety device if there is no CESD present.
Message 13
– CESD test in a CLOSE direction not OK.– Check closing edge safety device.
– Programme out the closing edge safety device if there is no CESD present.
Message 15
– External photocell interrupted or defective.– Remove obstacle or have the photocell checked.
– Programmed for photocell, but no photocell is connected.– Deactivate or connect the photocell.
Message 16
– Power sensor for the automatic cut-out is defective.– Have the motor unit checked.
Message 26
– Undervoltage, operator system overloaded at maximum power setting, 16.– Have the external power supply checked.
Message 28
– Door movement too stiff or irregular.
– Door blocked.
– Check the path of the door and ensure that the door moves easily.
– Automatic cut-out is set to be too sensitive.– Have the automatic cut-out facility checked by an expert .
Message 35
– Electronics are defective.– Have the operator system checked.
Message 36
– Wire jumper removed, but stop button not connected.– Connect stop button or insert shorting plug.
– Operator system disengaged.
– Closed circuit is interrupted.
– Engage the operator system.

Marantec EX-2005 garage door opener troubleshooting

FAULTCAUSEREMEDY
Indicator 8 does not glow.No voltage.Check mains supply. Check electric socket.
Thermal protection in mains transformer activated.Allow mains transformer to cool down.
Defective control unit.Cut off mains supply to operator. Remove lamp cover and motor cover. Unscrew control unit, pull slightly forward and withdraw the connecting plug. Remove control unit and have it checked.
Indicator 6 flashes. Error 10 or 28Automatic cut-out set too sensitively. Door operation too sluggish. Door blocks.Re-set automatic cut-out to be less sensitive. Ensure door moves easily
Indicator 6 flashes. Error 6 or 15External photo eye defective or interrup- ted.Remove obstruction or have photo eye checked.
Drive only operates in “OPEN” but not in “CLOSE-direction. Error 15Photo eye programmed, but not connectedReprogram photo eye function or connect photo eye.
No response on impulse. Indicator 7 glows. Error 36Connecting terminals for “IMPULSE” button bridged, e.g. due to short-circuit or wrong terminal connection.Temporarily isolate cabled key switches or interior push buttons from control unit. Remove plug, insert plug and look for cable fault.
No response on impulse. Error 36Short-circuit label removed, but “STOP” button not connected.Connect “STOP” button.
Transmitter problemsHand transmitter coding is not consistent with receiver coding.Check coding Menu Q
Flat battery.Insert new battery. Flashing LED in transmitter indicates Flat battery.
LED 7 does not light up when pressing transmitter buttonElectronic aerial not connected or wrong installation
Hand transmitter or control unit defective.Have both components checked.
Insufficient range of remote control (less than 5 m).Flat battery in hand transmitter.Insert new battery. Flashing LED in transmitter indicates Flat battery.
Operator only starts to run shortly. Error 9RPM sensor defective.Have operator checked.
Door too sluggish.Check door.
Transmitter command does not respond but wall control does (LED 8 on, LED 7 flashes)Operator is in electronic ‘vacation’ lockDe-activate ‘vacation’ lock on 3-function wall control or by briefly pressing eP button on operator.

Marantec M-4700 garage door opener troubleshooting

DISPLAYCODEPROBLEMSOLUTION
#7 Flashes
7■ Adjustments setting interrupted before completion.■ Door can be operated normally. Recheck adjustments if adjustment settings were not completed.
#1 + #8 Flash
9■ Defective RPM sensor.■ Have opener serviced.
#2 + #8 Flash
10■ Force required to move door exceeded set force level.■ Check door for obstructions, proper manual operation, proper balance, or broken springs. Clear obstructions or have door serviced.
■ If door is OK, increase force setting.
#3 + #8 Flash
11■ Opener exceeded maximum run time limit (30 seconds).■ Make sure rail is connected to opener head and belt or chain is moving.
#7 + #8 Flash
15■ Photo eye not connected properly.■ Check photo eye wiring and connections.
■ Photo eyes not aligned.■ Remove obstruction from path of door, or realign photo eyes.
■ Photo eye became obstructed during downward door travel.■ Replace photo eye.
#1 + #7 + #8 Flash
16■ Force watchdog circuit found error.■ Readjust force and run opener up and down twice.
■ Have opener serviced.
#1 + #5 + #6 + #7 + #8 Flash
27■ Power limit sensitivity exceeded.■ Check door for obstructions, proper manual operation, proper balance, or broken springs. Clear obstructions or have door serviced if needed.
#2 + #5 + #6 + #7 + #8 Flash
28■ Self learned force limit exceeded.■ Check door for obstructions, proper manual operation, proper balance, or broken springs. Clear obstructions or have door serviced if needed.
All Flash36■ Internal control error.■ Have opener serviced.

Marantec Synergy 360 garage door opener troubleshooting

FAULT DISPLAYCODEPROBLEM SOLUTION 
7If no buttons are pressed within 120 seconds, the programming mode terminates automatically.
8Adjustments setting interrupted before completion.Door can be operated normally. Recheck adjustments if adjustment settings were not completed.
Have operator serviced
9Rational speed (RPM) sensor impulse not present, operator system is obstructed.
10The door does not move easily or is obstructed.The maximum driving power has been set too low. Have maximum driving power checked by specialist
11Excess travel stop.Have operator serviced
15Photo eye sensors not connected properly.Check photo eye sensors wiring and connections.
Photo eye sensors not aligned.Realign photo eye sensors.
Obstruction in the door path (photo eye beam broken).Remove obstruction from door path.
16The current sensor for the monitoring motor overload is defective.Have operator serviced
26Power overload condition.Have the outlet assigned for the operator and/or supplied power checked.
28Door movement too stiff or irregular.
Door blocked.
Operator operating sensitivity set too sensitive (low).
Check door for obstructions, proper manual operation, proper balance, or broken springs. Clear obstructions or have door serviced. If needed.
Have the operating sensitivity settings checked by an authorized dealer/installer.
30MS bus fault.Reset the bus modules.
Have the connected bus modules checked?
35Electronic defect.Have operator sen/iced.
36Wall control connected incorrectly.Check wall control terminal connection.
Reset operator.

Marantec Garage Door Opener Instructions Manual

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