Decko
Decko 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 from wall button or remote; single flash or code “1” on head unit diagnostic LED.
Photo Eye Obstruction or Misalignment
10
Opener lights flash rapidly; unit will not move door; ten flashes or code “10” on Decko opener LED.
Door Lock or Manual Lock Engaged
2
Door will not close from remote; opener runs briefly then reverses to full open; two flashes or code “2” on head unit LED.
Down Travel Limit Not Set or Out of Range
3
Door starts to close, travels a short distance, then reverses to open; three flashes or code “3” on Decko opener LED.
Down Force Reversal / Excessive Closing Resistance
4
Opener runs but door does not move; trolley may not engage; four flashes or code “4” on Decko opener LED.
Trolley Disengaged or Carriage Jammed
5
Opener hums briefly then stops; motor does not turn; five flashes or code “5” on Decko opener LED.
Motor Overload or Stalled Rotor
6
Opener lights flash and unit will not run; six flashes or code “6” on Decko opener LED.
Safety Sensor Circuit Open or Shorted
7
Opener runs a few inches then stops with beeping or seven flashes/code “7” on Decko opener LED.
Limit Sensor or Travel Encoder Failure
8
Opener will not respond to remotes; wall button works; eight flashes or code “8” on Decko opener LED.
Radio Receiver or Antenna Fault
9
Opener beeps and will not run; nine flashes or code “9” on Decko opener LED.
Overcurrent or Short Circuit Protection Trip
Symptom
Burning smell or visible smoke from Decko opener during or after operation.
Overheated Motor or Electrical Component Failure
Symptom
Decko garage door opener makes loud grinding or rattling noises during operation.
Worn Drive Gear, Loose Chain/Belt, or Rail Vibration
Symptom
Decko garage door opener will not power on at all; no lights, no sounds.
No AC Power or Failed Power Supply
Symptom
Decko opener beeps periodically and operates slowly or erratically (battery backup models).
Low or Failed Backup Battery
Symptom
Decko opener hums continuously without moving the door until unplugged.
Stuck Relay or Jammed Motor
Symptom
Decko opener light does not turn on during operation or when using light button.
Failed Light Socket, Bulb, or Light Relay
Symptom
Decko opener light flashes but door does not move when using wall button.
Wall Control Lockout or Faulty Wall Button
Symptom
Decko opener light stays on continuously and will not turn off after the normal timeout.
Stuck Light Relay or Miswired Accessory
Symptom
Decko opener operates by itself without any user input (phantom operation).
Unintended Activation from Shorted Control or Remote
Symptom
Decko opener operates normally but door does not fully seal at the floor on one side.
Door or Floor Misalignment
Symptom
Decko opener rail flexes excessively or bangs when starting and stopping.
Improper Rail Support or Excessive Chain/Belt Tension
Symptom
Decko opener responds slowly to commands; noticeable delay between button press and movement.
Control Logic or RF Processing Delay
Symptom
Decko opener runs but door only moves a few inches then stops without reversing.
Travel Calibration Lost or Travel Limits Misadjusted
Symptom
Decko opener stops randomly mid-travel and can be restarted with another button press.
Intermittent Power or Overheating Protection
Symptom
Door closes, hits the floor, then immediately reverses and opens fully.
Down Limit Set Too Far or Excessive Floor Contact
Symptom
Door opens normally but will not close with remote; must hold wall button down to close.
Safety Sensor Fault Override Mode
Symptom
Door opens only partially and stops; must be helped by hand to open fully.
Insufficient Up Force or Weak Springs
Symptom
Door reverses immediately when it starts to close, but safety sensor LEDs appear normal.
Incorrect Force Setting or Binding Door
Symptom
Door shakes or vibrates excessively when opening or closing with Decko opener.
Door Hardware Wear or Misalignment
Symptom
Door will not open from Decko opener, but can be lifted manually when disconnected.
Drive Gear or Sprocket Failure
Symptom
Keypad will not operate Decko opener, but remotes and wall button work.
Wireless Keypad Programming or Hardware Failure
Symptom
Remote range is very short; Decko opener only responds when remote is very close.
Weak RF Signal or Antenna Issue
Symptom
Water or condensation inside Decko opener housing, intermittent operation in damp weather.
Moisture Ingress Affecting Electronics
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| 1 |
Opener will not run from wall button or remote; single flash or code “1” on head unit diagnostic LED.
|
Photo Eye Obstruction or Misalignment | View Details |
| 10 |
Opener lights flash rapidly; unit will not move door; ten flashes or code “10” on Decko opener LED.
|
Door Lock or Manual Lock Engaged | View Details |
| 2 |
Door will not close from remote; opener runs briefly then reverses to full open; two flashes or code “2” on head unit LED.
|
Down Travel Limit Not Set or Out of Range | View Details |
| 3 |
Door starts to close, travels a short distance, then reverses to open; three flashes or code “3” on Decko opener LED.
|
Down Force Reversal / Excessive Closing Resistance | View Details |
| 4 |
Opener runs but door does not move; trolley may not engage; four flashes or code “4” on Decko opener LED.
|
Trolley Disengaged or Carriage Jammed | View Details |
| 5 |
Opener hums briefly then stops; motor does not turn; five flashes or code “5” on Decko opener LED.
|
Motor Overload or Stalled Rotor | View Details |
| 6 |
Opener lights flash and unit will not run; six flashes or code “6” on Decko opener LED.
|
Safety Sensor Circuit Open or Shorted | View Details |
| 7 |
Opener runs a few inches then stops with beeping or seven flashes/code “7” on Decko opener LED.
|
Limit Sensor or Travel Encoder Failure | View Details |
| 8 |
Opener will not respond to remotes; wall button works; eight flashes or code “8” on Decko opener LED.
|
Radio Receiver or Antenna Fault | View Details |
| 9 |
Opener beeps and will not run; nine flashes or code “9” on Decko opener LED.
|
Overcurrent or Short Circuit Protection Trip | View Details |
| – |
Burning smell or visible smoke from Decko opener during or after operation.
|
Overheated Motor or Electrical Component Failure | View Details |
| – |
Decko garage door opener makes loud grinding or rattling noises during operation.
|
Worn Drive Gear, Loose Chain/Belt, or Rail Vibration | View Details |
| – |
Decko garage door opener will not power on at all; no lights, no sounds.
|
No AC Power or Failed Power Supply | View Details |
| – |
Decko opener beeps periodically and operates slowly or erratically (battery backup models).
|
Low or Failed Backup Battery | View Details |
| – |
Decko opener hums continuously without moving the door until unplugged.
|
Stuck Relay or Jammed Motor | View Details |
| – |
Decko opener light does not turn on during operation or when using light button.
|
Failed Light Socket, Bulb, or Light Relay | View Details |
| – |
Decko opener light flashes but door does not move when using wall button.
|
Wall Control Lockout or Faulty Wall Button | View Details |
| – |
Decko opener light stays on continuously and will not turn off after the normal timeout.
|
Stuck Light Relay or Miswired Accessory | View Details |
| – |
Decko opener operates by itself without any user input (phantom operation).
|
Unintended Activation from Shorted Control or Remote | View Details |
| – |
Decko opener operates normally but door does not fully seal at the floor on one side.
|
Door or Floor Misalignment | View Details |
| – |
Decko opener rail flexes excessively or bangs when starting and stopping.
|
Improper Rail Support or Excessive Chain/Belt Tension | View Details |
| – |
Decko opener responds slowly to commands; noticeable delay between button press and movement.
|
Control Logic or RF Processing Delay | View Details |
| – |
Decko opener runs but door only moves a few inches then stops without reversing.
|
Travel Calibration Lost or Travel Limits Misadjusted | View Details |
| – |
Decko opener stops randomly mid-travel and can be restarted with another button press.
|
Intermittent Power or Overheating Protection | View Details |
| – |
Door closes, hits the floor, then immediately reverses and opens fully.
|
Down Limit Set Too Far or Excessive Floor Contact | View Details |
| – |
Door opens normally but will not close with remote; must hold wall button down to close.
|
Safety Sensor Fault Override Mode | View Details |
| – |
Door opens only partially and stops; must be helped by hand to open fully.
|
Insufficient Up Force or Weak Springs | View Details |
| – |
Door reverses immediately when it starts to close, but safety sensor LEDs appear normal.
|
Incorrect Force Setting or Binding Door | View Details |
| – |
Door shakes or vibrates excessively when opening or closing with Decko opener.
|
Door Hardware Wear or Misalignment | View Details |
| – |
Door will not open from Decko opener, but can be lifted manually when disconnected.
|
Drive Gear or Sprocket Failure | View Details |
| – |
Keypad will not operate Decko opener, but remotes and wall button work.
|
Wireless Keypad Programming or Hardware Failure | View Details |
| – |
Remote range is very short; Decko opener only responds when remote is very close.
|
Weak RF Signal or Antenna Issue | View Details |
| – |
Water or condensation inside Decko opener housing, intermittent operation in damp weather.
|
Moisture Ingress Affecting Electronics | View Details |
No matching codes found
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