Marantec
Marantec Garage Door Openers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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1
Opener will not run, 7‑segment display on head unit shows solid “1” immediately after power‑up and beeps once.
Photocell (Safety Sensor) Interruption or Misalignment
10
Display shows “10” or “E10”; opener will not run and may emit a steady beep.
General Control Board Fault / Self‑Test Failure
11
Display shows “11”; opener starts then immediately stops; no movement of the rail carriage.
Trolley Not Engaged or Travel Carriage Fault
12
Display shows “12”; opener stops mid‑travel and will not respond until power is cycled.
Thermal Overload or Overuse Protection
13
Display shows “13”; door reverses immediately upon touching the floor; excessive bounce at bottom.
Over‑Sensitive Down Force or Incorrect Floor Contact Detection
14
Display shows “14”; opener light flashes but motor does not run when command is given.
Motor Start Circuit or Capacitor Failure
15
Display shows “15”; opener runs but door moves only a few inches then stops without reversing.
Travel Measurement / Encoder Error
16
Display shows “16”; courtesy light flashes rapidly; door will not move.
Safety Sensor Bypass or Tamper Detected
17
Display shows “17”; door opens normally but will not close from remote, only from constant‑pressure wall button.
Safety Sensor One‑Way Operation Fault
18
Display shows “18”; opener operates but light does not turn on or off correctly.
Courtesy Light Relay or Output Fault
19
Display shows “19”; wireless keypad will not program or operate the opener.
External Accessory Communication Error
2
Door will not move and opener displays “2” or flashes two times in a repeating pattern; unit clicks but does not run.
Safety Sensor Circuit Open or Shorted
3
Opener starts to move the door then stops and reverses; display shows “3” or three flashes; door may only move a few inches.
Obstruction or Excessive Force Detected During Travel
4
Door will not fully close; opener stops and reverses at about the same point each time; display shows “4”.
Down Travel Limit Not Set or Lost
5
Door will not fully open; opener stops short of full height and display shows “5”.
Up Travel Limit Not Set or Lost
6
Opener runs briefly then stops; display shows “6”; door may not move at all or moves only an inch.
Motor Overload or Overcurrent Protection Triggered
7
Opener will not respond to wall button or remotes; display shows “7” or flashes seven times; courtesy light may still work.
Wall Control Circuit Fault or Lockout
8
Remote controls and wireless keypads will not operate the opener; display shows “8” or eight flashes; wall button still works.
Radio Receiver or Antenna Failure
9
Opener beeps and shows “9” after a power outage; door may not move until reprogrammed.
Lost Travel and Force Parameters After Power Interruption
Symptom
Burning smell or visible smoke from Marantec opener head during or after operation.
Overheated Motor or Electrical Component Failure
Symptom
Garage door opener hums but door does not move; chain or belt does not travel along the rail.
Stripped Drive Gear or Broken Sprocket
Symptom
Garage door opener is very noisy, with grinding or rattling sounds during operation.
Worn Drive Components or Poorly Maintained Door Hardware
Symptom
Garage door opener light flashes but door will not close from remote; will close only when holding wall button continuously.
Safety Sensor Misalignment or Failure (Manual Override Mode)
Symptom
Garage door opens by itself randomly without anyone pressing a button.
Unintended Activation / Radio Interference or Stuck Control
Symptom
Garage door opens normally but will not stay closed; it reopens a few seconds after closing.
Auto‑Reverse Triggered After Close or Misinterpreted Obstruction
Symptom
Garage door reverses immediately after hitting the floor, even though nothing is in the way.
Down Limit Over‑Travel or Excessive Floor Pressure
Symptom
Garage door shakes or vibrates excessively when opening or closing.
Door and Rail Misalignment or Loose Mounting
Symptom
Garage door will not open fully in cold weather but works better when it is warm.
Temperature‑Sensitive Travel and Force Settings
Symptom
Opener beeps repeatedly and will not operate after a lightning storm or power surge.
Surge‑Induced Control Board Damage
Symptom
Opener clicks but nothing happens; no motor sound, no movement, display may be blank.
No AC Power or Blown Internal Fuse
Symptom
Opener light stays on continuously and will not turn off after the usual timeout.
Stuck Light Relay or Misconfigured Light Control
Symptom
Opener operates by wall button but none of the handheld remotes work, even with new batteries.
Remote Control Not Programmed or Receiver Memory Cleared
Symptom
Opener rail flexes noticeably and makes popping sounds when the door starts moving.
Improper Rail Support or Excessive Door Load
Symptom
Opener runs but door only moves a few inches and then stops without reversing; manual operation feels very heavy.
Broken or Severely Weakened Door Springs
Symptom
Opener runs but door stops and reverses when it hits a certain point in the tracks, not at the floor.
Localized Track Obstruction or Door Binding
Symptom
Opener starts to close, then stops and opens again when the door is only a few inches from the floor.
False Obstruction Detection Near Floor
Symptom
Wall control LED is off and wall button does not operate the opener, but remotes still work.
Loss of Wall Control Power or Open Circuit
Symptom
Wireless keypad works only at very close range or intermittently.
Weak RF Signal or Interference
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| 1 |
Opener will not run, 7‑segment display on head unit shows solid “1” immediately after power‑up and beeps once.
|
Photocell (Safety Sensor) Interruption or Misalignment | View Details |
| 10 |
Display shows “10” or “E10”; opener will not run and may emit a steady beep.
|
General Control Board Fault / Self‑Test Failure | View Details |
| 11 |
Display shows “11”; opener starts then immediately stops; no movement of the rail carriage.
|
Trolley Not Engaged or Travel Carriage Fault | View Details |
| 12 |
Display shows “12”; opener stops mid‑travel and will not respond until power is cycled.
|
Thermal Overload or Overuse Protection | View Details |
| 13 |
Display shows “13”; door reverses immediately upon touching the floor; excessive bounce at bottom.
|
Over‑Sensitive Down Force or Incorrect Floor Contact Detection | View Details |
| 14 |
Display shows “14”; opener light flashes but motor does not run when command is given.
|
Motor Start Circuit or Capacitor Failure | View Details |
| 15 |
Display shows “15”; opener runs but door moves only a few inches then stops without reversing.
|
Travel Measurement / Encoder Error | View Details |
| 16 |
Display shows “16”; courtesy light flashes rapidly; door will not move.
|
Safety Sensor Bypass or Tamper Detected | View Details |
| 17 |
Display shows “17”; door opens normally but will not close from remote, only from constant‑pressure wall button.
|
Safety Sensor One‑Way Operation Fault | View Details |
| 18 |
Display shows “18”; opener operates but light does not turn on or off correctly.
|
Courtesy Light Relay or Output Fault | View Details |
| 19 |
Display shows “19”; wireless keypad will not program or operate the opener.
|
External Accessory Communication Error | View Details |
| 2 |
Door will not move and opener displays “2” or flashes two times in a repeating pattern; unit clicks but does not run.
|
Safety Sensor Circuit Open or Shorted | View Details |
| 3 |
Opener starts to move the door then stops and reverses; display shows “3” or three flashes; door may only move a few inches.
|
Obstruction or Excessive Force Detected During Travel | View Details |
| 4 |
Door will not fully close; opener stops and reverses at about the same point each time; display shows “4”.
|
Down Travel Limit Not Set or Lost | View Details |
| 5 |
Door will not fully open; opener stops short of full height and display shows “5”.
|
Up Travel Limit Not Set or Lost | View Details |
| 6 |
Opener runs briefly then stops; display shows “6”; door may not move at all or moves only an inch.
|
Motor Overload or Overcurrent Protection Triggered | View Details |
| 7 |
Opener will not respond to wall button or remotes; display shows “7” or flashes seven times; courtesy light may still work.
|
Wall Control Circuit Fault or Lockout | View Details |
| 8 |
Remote controls and wireless keypads will not operate the opener; display shows “8” or eight flashes; wall button still works.
|
Radio Receiver or Antenna Failure | View Details |
| 9 |
Opener beeps and shows “9” after a power outage; door may not move until reprogrammed.
|
Lost Travel and Force Parameters After Power Interruption | View Details |
| – |
Burning smell or visible smoke from Marantec opener head during or after operation.
|
Overheated Motor or Electrical Component Failure | View Details |
| – |
Garage door opener hums but door does not move; chain or belt does not travel along the rail.
|
Stripped Drive Gear or Broken Sprocket | View Details |
| – |
Garage door opener is very noisy, with grinding or rattling sounds during operation.
|
Worn Drive Components or Poorly Maintained Door Hardware | View Details |
| – |
Garage door opener light flashes but door will not close from remote; will close only when holding wall button continuously.
|
Safety Sensor Misalignment or Failure (Manual Override Mode) | View Details |
| – |
Garage door opens by itself randomly without anyone pressing a button.
|
Unintended Activation / Radio Interference or Stuck Control | View Details |
| – |
Garage door opens normally but will not stay closed; it reopens a few seconds after closing.
|
Auto‑Reverse Triggered After Close or Misinterpreted Obstruction | View Details |
| – |
Garage door reverses immediately after hitting the floor, even though nothing is in the way.
|
Down Limit Over‑Travel or Excessive Floor Pressure | View Details |
| – |
Garage door shakes or vibrates excessively when opening or closing.
|
Door and Rail Misalignment or Loose Mounting | View Details |
| – |
Garage door will not open fully in cold weather but works better when it is warm.
|
Temperature‑Sensitive Travel and Force Settings | View Details |
| – |
Opener beeps repeatedly and will not operate after a lightning storm or power surge.
|
Surge‑Induced Control Board Damage | View Details |
| – |
Opener clicks but nothing happens; no motor sound, no movement, display may be blank.
|
No AC Power or Blown Internal Fuse | View Details |
| – |
Opener light stays on continuously and will not turn off after the usual timeout.
|
Stuck Light Relay or Misconfigured Light Control | View Details |
| – |
Opener operates by wall button but none of the handheld remotes work, even with new batteries.
|
Remote Control Not Programmed or Receiver Memory Cleared | View Details |
| – |
Opener rail flexes noticeably and makes popping sounds when the door starts moving.
|
Improper Rail Support or Excessive Door Load | View Details |
| – |
Opener runs but door only moves a few inches and then stops without reversing; manual operation feels very heavy.
|
Broken or Severely Weakened Door Springs | View Details |
| – |
Opener runs but door stops and reverses when it hits a certain point in the tracks, not at the floor.
|
Localized Track Obstruction or Door Binding | View Details |
| – |
Opener starts to close, then stops and opens again when the door is only a few inches from the floor.
|
False Obstruction Detection Near Floor | View Details |
| – |
Wall control LED is off and wall button does not operate the opener, but remotes still work.
|
Loss of Wall Control Power or Open Circuit | View Details |
| – |
Wireless keypad works only at very close range or intermittently.
|
Weak RF Signal or Interference | View Details |
No matching codes found
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