Hormann
Hormann 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
Operator will not run, 7‑segment display shows code “1”
Photocell / Safety Sensor Interruption
2
Operator stops and reverses immediately when closing, display shows “2”
Safety Edge / Closing Edge Fault
3
Door will not move, display shows “3” continuously
Emergency Stop / Stop Circuit Active
4
Door stops during travel and display shows “4”
Obstacle Detection / Force Limit Triggered
5
Operator display shows “5” and door does not respond to commands
Limit Switch / Travel Reference Error
6
Display shows “6”, operator attempts to move but stops quickly
Motor Overload / Overcurrent Protection
7
Display shows “7”, door only moves a short distance then stops
Encoder / Travel Sensor Fault
8
Display shows “8”, operator dead or erratic after power surge
Control Board Supply Voltage Error
9
Display shows “9”, door opens but will not close via remote
Photocell or Safety Device Bypassed / Faulty Logic
A
Display shows letter “A”, operator does not respond to radio commands
Radio Receiver Fault / No Radio Module Detected
b
Display shows lowercase “b”, door stops in partially open position
Partial Opening / Ventilation Position Error
C
Display shows “C”, operator runs only in one direction
Direction Relay / Output Stage Fault
d
Display shows “d”, door reverses at top or bottom limit
Incorrect Limit Position / Overtravel Detection
E
Display shows “E”, operator beeps or flashes but does not move
Emergency Release Activated / Door Disengaged
F
Display shows “F”, operator locks out after several failed attempts
General Fault Lockout / Too Many Errors
Symptom
Door closes then immediately reopens a short distance
Misaligned Photocells Causing False Trigger at End of Travel
Symptom
Door closes violently or with excessive force
Force Setting Too High / Safety Not Calibrated
Symptom
Door is very heavy to lift manually when disconnected from operator
Door Out of Balance / Spring Failure
Symptom
Door is very noisy during operation (grinding, squealing, banging)
Mechanical Wear / Poor Lubrication
Symptom
Door moves very slowly or struggles, operator hums loudly
Motor Weak / Mechanical Drag
Symptom
Door opens by itself without any user command
Unintended Activation / Radio Interference or Stuck Input
Symptom
Door opens fine but stops and reverses when closing over a certain point
Track Misalignment or Door Warping at Mid‑Travel
Symptom
Door opens normally but will not close when a vehicle is parked inside
Photocell Beam Blocked by Vehicle or Low Objects
Symptom
Door opens only halfway and stops, then will not respond until power is cycled
Intermittent Encoder or Control Board Fault
Symptom
Door opens or closes only a short distance then stops, no code shown
Travel Limits Lost or Not Set
Symptom
Door reverses when almost closed, bottom seal does not fully contact floor
Threshold Obstruction or Floor Irregularity
Symptom
Door starts to move then reverses immediately without any error code
Mechanical Obstruction / Force Reversal
Symptom
Door stops slightly open and will not fully close in cold weather
Temperature‑Related Stiffness / Insufficient Close Force
Symptom
Door will not move via remote, but works from wall button
Radio Reception / Remote Control Failure
Symptom
Door will not open or close at all, no display or lights on operator
No Power to Operator
Symptom
Keypad or external code switch will not operate the door, but remotes work
External Control Input Failure
Symptom
Operator beeps or flashes a pattern but no 7‑segment code is shown
Accessory or Bus Communication Fault
Symptom
Operator light does not turn on during operation
Courtesy Light Failure
Symptom
Operator light flashes but door does not move when command is given
Door Disengaged or Carriage Not Catching
Symptom
Operator runs but door does not move (motor spins freely)
Drive Disconnection / Gear Failure
Symptom
Operator runs for a moment then stops, light flashes a fixed number of times
Thermal Overload or Duty Cycle Limit Reached
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| 1 |
Operator will not run, 7‑segment display shows code “1”
|
Photocell / Safety Sensor Interruption | View Details |
| 2 |
Operator stops and reverses immediately when closing, display shows “2”
|
Safety Edge / Closing Edge Fault | View Details |
| 3 |
Door will not move, display shows “3” continuously
|
Emergency Stop / Stop Circuit Active | View Details |
| 4 |
Door stops during travel and display shows “4”
|
Obstacle Detection / Force Limit Triggered | View Details |
| 5 |
Operator display shows “5” and door does not respond to commands
|
Limit Switch / Travel Reference Error | View Details |
| 6 |
Display shows “6”, operator attempts to move but stops quickly
|
Motor Overload / Overcurrent Protection | View Details |
| 7 |
Display shows “7”, door only moves a short distance then stops
|
Encoder / Travel Sensor Fault | View Details |
| 8 |
Display shows “8”, operator dead or erratic after power surge
|
Control Board Supply Voltage Error | View Details |
| 9 |
Display shows “9”, door opens but will not close via remote
|
Photocell or Safety Device Bypassed / Faulty Logic | View Details |
| A |
Display shows letter “A”, operator does not respond to radio commands
|
Radio Receiver Fault / No Radio Module Detected | View Details |
| b |
Display shows lowercase “b”, door stops in partially open position
|
Partial Opening / Ventilation Position Error | View Details |
| C |
Display shows “C”, operator runs only in one direction
|
Direction Relay / Output Stage Fault | View Details |
| d |
Display shows “d”, door reverses at top or bottom limit
|
Incorrect Limit Position / Overtravel Detection | View Details |
| E |
Display shows “E”, operator beeps or flashes but does not move
|
Emergency Release Activated / Door Disengaged | View Details |
| F |
Display shows “F”, operator locks out after several failed attempts
|
General Fault Lockout / Too Many Errors | View Details |
| – |
Door closes then immediately reopens a short distance
|
Misaligned Photocells Causing False Trigger at End of Travel | View Details |
| – |
Door closes violently or with excessive force
|
Force Setting Too High / Safety Not Calibrated | View Details |
| – |
Door is very heavy to lift manually when disconnected from operator
|
Door Out of Balance / Spring Failure | View Details |
| – |
Door is very noisy during operation (grinding, squealing, banging)
|
Mechanical Wear / Poor Lubrication | View Details |
| – |
Door moves very slowly or struggles, operator hums loudly
|
Motor Weak / Mechanical Drag | View Details |
| – |
Door opens by itself without any user command
|
Unintended Activation / Radio Interference or Stuck Input | View Details |
| – |
Door opens fine but stops and reverses when closing over a certain point
|
Track Misalignment or Door Warping at Mid‑Travel | View Details |
| – |
Door opens normally but will not close when a vehicle is parked inside
|
Photocell Beam Blocked by Vehicle or Low Objects | View Details |
| – |
Door opens only halfway and stops, then will not respond until power is cycled
|
Intermittent Encoder or Control Board Fault | View Details |
| – |
Door opens or closes only a short distance then stops, no code shown
|
Travel Limits Lost or Not Set | View Details |
| – |
Door reverses when almost closed, bottom seal does not fully contact floor
|
Threshold Obstruction or Floor Irregularity | View Details |
| – |
Door starts to move then reverses immediately without any error code
|
Mechanical Obstruction / Force Reversal | View Details |
| – |
Door stops slightly open and will not fully close in cold weather
|
Temperature‑Related Stiffness / Insufficient Close Force | View Details |
| – |
Door will not move via remote, but works from wall button
|
Radio Reception / Remote Control Failure | View Details |
| – |
Door will not open or close at all, no display or lights on operator
|
No Power to Operator | View Details |
| – |
Keypad or external code switch will not operate the door, but remotes work
|
External Control Input Failure | View Details |
| – |
Operator beeps or flashes a pattern but no 7‑segment code is shown
|
Accessory or Bus Communication Fault | View Details |
| – |
Operator light does not turn on during operation
|
Courtesy Light Failure | View Details |
| – |
Operator light flashes but door does not move when command is given
|
Door Disengaged or Carriage Not Catching | View Details |
| – |
Operator runs but door does not move (motor spins freely)
|
Drive Disconnection / Gear Failure | View Details |
| – |
Operator runs for a moment then stops, light flashes a fixed number of times
|
Thermal Overload or Duty Cycle Limit Reached | View Details |
No matching codes found
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