Bell Wire
| Diagnostics |
| Located On |
| Motor Unit |
| LED or |
| Diagnostic |
| LED |
| "Learn" |
Safety Reversing Sensor | Button |
Diagnostic Chart
Installed
Safety Reversing
Sensor
Your garage door opener is programmed with
1 FLASH | Symptom: One or both of the Indicator lights on the safety sensors do | ||
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| not glow steady. | |
Safety Reversing Sensors | • Inspect sensor wires for a short (staple in wire), correct wiring polarity | ||
wire open (broken or | |||
(black/white wires reversed), broken or disconnected wires, replace/attach | |||
disconnected). | as needed. | ||
| OR | • Disconnect all wires from back of motor unit. | |
2 | FLASHES | • Remove sensors from brackets and shorten sensor wires to | |
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| from back each of sensor. | |
Safety Reversing | • Reattach sending eye to motor unit using shortened wires. If sending eye | ||
indicator light glows steadily, attach the receiving eye. | |||
Sensors wire shorted or | |||
• Align sensors, if the indicator lights glow replace the wires for the sensors. If | |||
black/white wire | |||
reversed. | the sensor indicator lights do not light, replace the safety sensors. |
3 | FLASHES | Symptom: LED is not lit on door control. | |
Door control or | • 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, | |||
wire shorted. | |||
replace door control. | |||
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| • If motor unit does not activate, disconnect door control wires from motor unit. | |
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| Momentarily short across red and white terminals with jumper wire. If motor | |
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| unit activates, replace door control wires. |
4 | FLASHES | Symptom: Sending indicator light glows steadily, receiving indicator light | |
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| is dim or flashing. | |
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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). | |||
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5 | FLASHES | Symptom: Motor has over heated; the motor unit does not operate or | |
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| trolley is stuck on stop bolt = Motor unit hums briefly; RPM Sensor = | |
Motor overheated or | |||
Short travel | |||
possible RPM sensor | • Unplug unit to reset. Try to operate motor unit, check diagnostic code. | ||
failure. Unplug to reset. | • If it is still flashing 5 times and motor unit moves | ||
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| sensor. | |
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| • If motor unit doesn’t operate, motor unit is overheated. Wait 30 minutes and | |
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| retry. If motor unit still will not operate replace logic board. |
6 | FLASHES | Symptom: Motor unit doesn’t operate. | |
Motor Circuit Failure. | • Replace logic board because motor rarely fails. | ||
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Replace Receiver |
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Logic Board. |
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30 | |||
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