B&D Garage Door Openers Error Codes

E1

Opener will not run from wall button or remote; control panel shows E1 or a single flash error; courtesy light may still work.

Wall Control / Push Button Circuit Fault

E10

Opener shows E10 or ten flashes; battery backup (if fitted) does not operate the door during mains failure; low battery warning may sound.

Battery Backup Fault

E11

Opener displays E11; door stops partway and opener beeps; travel limits cannot be completed during setup.

Travel Limit Programming Error

E12

Opener shows E12; door will not move and unit may emit a continuous beep; often occurs immediately after installation or wiring changes.

Wiring / Terminal Block Fault

E13

Opener displays E13; door may move a short distance then stop; unit may feel very hot to the touch.

Thermal Overload / Overheating Protection

E14

Opener shows E14; door will not move; occurs after a collision with a vehicle or object while the door was moving.

Impact / Collision Detected

E15

Opener displays E15; door may move but courtesy light or accessories behave erratically; sometimes follows wiring of external key switch or keypad.

Accessory Input Conflict

E2

Door will not close from remote or wall button; opener beeps and shows E2 or flashes twice; door will close only when safety beam is overridden or held in manual close mode.

Safety Infrared Beam Obstruction or Misalignment

E3

Door stops and reverses a short distance after starting to close; opener displays E3 or three flashes; may occur more in colder weather or mid‑travel.

Excessive Closing Force / Obstruction Detected

E4

Door stops and reverses shortly after starting to open; opener displays E4 or four flashes; may stall mid‑open and then reverse or stop.

Excessive Opening Force / Travel Obstruction

E5

Opener runs briefly then stops; display shows E5 or five flashes; door may not move at all or only a few centimetres.

Motor Overload or Stalled Motor

E6

Opener display shows E6 or six flashes; unit will not respond to remotes or wall button; sometimes occurs after a power surge or lightning storm.

Control Board / Logic PCB Failure

E7

Door will not move; opener beeps and shows E7 or seven flashes; travel limits cannot be set or are lost repeatedly.

Travel Encoder / Position Sensor Fault

E8

Opener display shows E8 or eight flashes; courtesy light may flash; door may move erratically or not at all.

Power Supply / Low Voltage Fault

E9

Opener shows E9 or nine flashes; remotes and wireless keypad will not program or are lost after power cycles.

Radio Receiver / Memory Fault

F1

Display shows F1; door moves but stops short of fully open or fully closed; limits drift over time.

Limit Sensor Calibration Fault

F2

Display shows F2; door will not respond to remote commands but works from wall button; remotes may lose programming intermittently.

RF Receiver Communication Fault

F3

Display shows F3; door stops mid‑travel and opener beeps; may coincide with flickering courtesy light.

Internal Communication / Sensor Bus Fault

F4

Display shows F4; door opens but will not close from remote; wall button may still close the door with constant pressure.

Safety Beam Logic Fault

F5

Display shows F5; courtesy light does not operate correctly or stays on; door operation may still be normal.

Courtesy Light Relay / Output Fault

Symptom

Burning smell or visible smoke from opener housing during or after operation.

Overheated Motor or Electrical Short

Symptom

Courtesy light does not turn on when the door operates, but the opener otherwise works normally.

Failed Courtesy Light Circuit or Bulb

Symptom

Door opens normally but stops or reverses when almost fully open, hitting the opener rail or trolley.

Incorrect Header Bracket or Rail Position

Symptom

Door opens normally but will not close from remote; must hold wall button down continuously to close.

Safety Beam Bypass / Constant‑Pressure Close Mode

Symptom

Door opens only partway and stops; must be helped by hand to open fully.

Insufficient Opening Force / Weak Springs

Symptom

Door opens or closes by itself without any command from remotes or wall button.

Unintended Activation / Phantom Operation

Symptom

Door reverses immediately after hitting the floor; small gap may remain under the door or it bounces back up.

Close Limit Misadjustment or Floor Obstruction

Symptom

Door starts to close then reverses about 10–20 cm off the floor with no visible obstruction.

Excessive Close Force Sensitivity / Door Binding Near Floor

Symptom

Door vibrates excessively and shakes the opener and ceiling when moving.

Vibration from Door Imbalance or Loose Mounting

Symptom

Door will not open at all; opener hums or clicks but the door does not move.

Door Jam or Broken Spring

Symptom

Opener beeps or flashes but does not move the door after a power outage until limits are re‑set.

Lost Travel Limits After Power Interruption

Symptom

Opener head unit vibrates or flexes the mounting bracket excessively when the door starts moving.

Loose or Inadequate Mounting Structure

Symptom

Opener is very noisy during operation; loud grinding, squealing, or banging sounds from door and opener.

Door Hardware Wear and Drive Noise

Symptom

Opener motor runs but chain or belt does not move; grinding or whirring noise from opener head.

Stripped Drive Gear or Sprocket

Symptom

Opener operates but door does not fully close, leaving a small gap, and weather seal does not contact the floor.

Insufficient Close Travel or Door Warping

Symptom

Opener runs but the door does not move; trolley carriage moves along the rail without pulling the door.

Disengaged or Broken Trolley / Door Arm Connection

Symptom

Remote controls have very short range or work only when very close to the opener.

Poor RF Reception

Symptom

Wall control button works intermittently or requires hard pressing to operate.

Worn Wall Button Contacts

Symptom

Wireless keypad does not operate the door but remotes and wall button work normally.

Keypad Communication or Power Fault