Is your Marantec garage door showing different errors? Troubleshooting the door will be easier when you know the Marantec garage door opener error codes.

Different models of Marantec openers show different error codes. Some codes tell about the defective photo sensors, while others indicate the defective testing photocell.

I shared a visualization of the error codes in this comprehensive guide. Also, you will know the reason and solution of the error depending on the model. Let’s begin.

Marantec Garage Door Opener Error Codes

This section shares the error codes of the different Marantec garage door openers.  

Marantec Comfort 250 Garage Door Opener Error Codes

Read the below chart to learn about the Marantec Comfort 250 garage door opener error codes.

Error	Error Code	Reason
	6	Activated photocell
	7	Cancelled programming
	8	Not OK reference point
	9	i) Defective RPM detection ii) Activated anti-block device
	10	Activated power limit
	11	Activated Excess Travel Stop
	15	Defected Testing Photo-cell
	16	Defective Testing Power
	26	Activated Voltage Monitoring
	28	Activated Learn Power Limit
	35	Defective Electronics
	36	Interrupted Statis Current Circuit

Marantec Comfort 257.2 Garage Door Opener Error Codes

The below chart describes the Marantec comfort 257.2 garage door opener error codes

Error	Error Code	Reason	Fixation
	Message 3	Activated CESD testing in Open direction	Obstacles in the doorway are the prime reason. Check and remove if there is any obstructions
	Message 5	Activated CESD testing in Closed direction
	Message 7	A) Termination of the Programming mode happens automatically after pressing no buttons within 120 seconds. B) The door is programmed in Open and Close positions without passing the reference point
	Message 8	Deactivated Reference point button	Check the operator system
	Message 9	Block drive system. Unavailability of speed sensor impulse	Check the operator system
	Message 10	A) Excessively stiff door movement. B) Blocked door. C) Too low setting of the maximum driving power.	A) Make sure that the door moves smoothly. B) Call an expert and let the maximum driving power checked
	Message 11	Additional travel stop	Check the operator system
	Message 12	Defective CESD testing in Open Direction	A) The closing edge safety device needs to be checked. B) If CESD is unavailable in the closing edge safety device, program it out.
	Message 13	Defective CESD testing in Close Direction	A) The closing edge safety device needs to be checked. B) If CESD is unavailable in the closing edge safety device, program it out.
	Message 15	A) Defective external photocell. B) Photocell is programmed but not connected.	Photocell needs to be reconnected
	Message 16	Defective power sensor. Thus, the automatic cut-out is not working	Check the motor unit
	Message 26	Overloaded or undervoltage operator system at max. power setting	Check the external power setting
	Message 28	A) Excessively stiff door movement. B) Blocked door	Make sure that the door moves smoothly
	Message 35	Defective Electronics	Check the operator system
	Message 36	A) Stop button is not working after removing the wire button. B) Disengaged operator system. C) Interrupted close circuit	A) Stop button requires to be connected. B) Connect the shorting plug. C) Operator system needs to be engaged.

Marantec M-4700 Garage Door Opener Error Codes

Here are the Marantec M-4700 garage door opener error codes for your better understanding.

Display	Code	Flash	Problem	Fixation
	7	#7	Interrupted adjustment setting before completion	Usually, you can operate the door normally. Adjustment settings need to be rechecked in case of incomplete adjustment settings
	9	#1 + #8	Damaged RPM sensor	Let the opener be serviced by an expert
	10	#2 + #8	The door requires force to move. Set force level exceeded	i) Check the door for broken springs, correct balance and manual operation, obstructions.ii) If there is no issue with the door, force setting requires to increase
	11	#3 + #8	Opener’s maximum limit of the run time is exceeded	i) The rail should be connected to the opener head.ii) Make sure a movable chain or belt
	15	#7 + #8	i) Improperly connected photo eye ii) Misaligned photo eye iii) Obstructed photo eye when the door traveling downward	i) The wiring and connections of the photo eye wiring needs to be checked ii) Align the photo eyes or remove obstacles from the doorway iii) The photo eye needs replacement
	16	#1 + #7 + #8	Error is found by the Force Watchdog circuit	i) Force requires readjustment. Then run the opener up and down to 2 timesii) Let the opener be serviced by an expert
	27	#1 + #5 +#6 + #7 + #8	Sensitivity of the power limit exceeds	Check the door for broken springs, correct balance and manual operation, obstructions. Let the opener be serviced by an expert if required.
	28	#2 + #5 +#6 + #7 + #8	Limit of the Self learned force exceeds	Check the door for broken springs, correct balance and manual operation, and obstructions. Let the opener be serviced by an expert if required.
All Flash	36		Error in the internal control	Let the opener be serviced by an expert

Marantec Synergy 360 Garage Door Opener Error Codes

Follow the chart below to diagnose your Marantec Synergy 360 garage door opener.

Fault Display	Error Code	Issue	Fixation
	7	Termination of the programming mode happens automatically if you fail to press the no button within 120 seconds
	8	Interrupted adjustment settings prior to completion	Usually, you can operate the door normally. Adjustment settings need to be rechecked in case of incomplete adjustment settings
	9	i) Absence of RPM sensor.ii) Obstructed operator system	Let the opener be serviced by an expert
	10	i) Smooth operation of the door is not happening. ii) Obstructed operator system	Too low maximum driving power. Let the driving power inspected by an expert
	11	Stopped excess travel	Let the opener be serviced by an expert
	15	i) Incorrectly connected photo eye sensor ii) Misaligned photo eye sensoriii) Broken photo eye beam due to the obstruction in the door	i) The wiring and connections of the photo eye wiring needs to be checked ii) The photo eye sensor requires realigningiii) Obstacles need to be removed from the doorway
	16	Defective motor overload monitoring sensor	Let the opener be serviced by an expert
	26	Overloaded power	Check the  supplied power
	28	i) Irregular of stiff door movementii) Operating sensitivity of the opener is set excessively sensitive (low)	Check the door for broken springs, correct balance and manual operation, and obstructions. Let the opener be serviced by an expert if required.
	30	Faulty MS bus	i) Bus modules require resettingii) Check the connected bus module
	35	Defective electronics	Let the opener be serviced by an expert
	36	Improperly connected wall control	i) Operator needs resettingii) Connection of the wall control terminals require checking

FAQ

Final Words

Whenever you notice Marantec garage door opener error codes, take prompt action. Remember, any unattended problem can lead to expensive repairs.

I briefly discussed the error codes with the reason and fixation so that you can know the issue after experiencing it.

Call an expert to handle the errors. They will surely help you get rid of the problem. Proper diagnosing and solutions will give you long-lasting service from your Marantec garage door openers.

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