Bell Wire

 

 

Diagnostics

 

Located On

 

Motor Unit

 

“Learn”

 

Button LED

 

or Diagnostic

 

LED

Safety Reversing Sensor

“Learn” Button

 

Installed

Safety Reversing

Sensor

Your garage door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a number of times then pause signifying it has found a potential issue. Consult Diagnostic Chart below.

Diagnostic Chart

1 FLASH

Symptom: One or both of the Indicator lights on the safety reversing sensors

Safety reversing

do not glow steady.

• Inspect sensor wires for a short (staple in wire), correct wiring polarity (black/white

sensors wire open

(broken or disconnected).

wires reversed), broken or disconnected wires, replace/attach as needed.

 

OR

• Disconnect all wires from back of motor unit.

 

 

• Remove sensors from brackets and shorten sensor wires to 1-2 feet (30-60 cm)

2

FLASHES

from back each of sensor.

Safety reversing

• Reattach sending eye to motor unit using shortened wires. If sending eye indicator

sensors wire shorted or

light glows steadily, attach the receiving eye.

black/white wire reversed.

• Align sensors, if the indicator lights glow replace the wires for the sensors. If the

 

 

sensor indicator lights do not light, replace the safety reversing sensors.

3

FLASHES

Symptom: LED is not lit on door control.

Door control or wire

• Inspect door control/wires for a short (staple in wire), replace as needed.

• Disconnect wires at door control, touch wires together. If motor unit activates,

shorted.

replace door control.

 

 

 

 

• If motor unit does not activate, disconnect door control wires from motor unit.

 

 

Momentarily short across red and white terminals with jumper wire. If motor unit

 

 

activates, replace door control wires.

4

FLASHES

Symptom: Sending indicator light glows steadily, receiving indicator light is

 

 

dim or flashing.

Safety reversing sensors

• Realign receiving eye sensor, clean lens and secure brackets.

slightly misaligned

• Verify door track is firmly secured to wall and does not move.

(dim or flashing LED).

5

FLASHES

Symptom: Door travels 2-3 inches and stops.

Motor RPM is not

• Reprogram limits and forces. See Adjustment section.

• If the motor unit continues to travel 2-3 inches, check the travel module connection

recognized.

or replace the travel module.

 

 

 

 

Symptom: No movement, motor runs 2-3 seconds.

 

 

• Reconnect the emergency release.

 

 

• Motor may need to be replaced.

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