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
Diagnostic Chart
1 FLASH |
| Symptom: One or both of the Indicator lights on the safety reversing sensors | ||
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| do not glow steady. | |
Safety reversing sensors |
| • Inspect sensor wires for a short (staple in wire), correct wiring polarity (black/white | ||
wire open (broken or |
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| wires reversed), broken or disconnected wires, replace/attach as needed. | |||
disconnected). |
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| • Disconnect all wires from back of motor unit. | |||
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| OR |
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| • Remove sensors from brackets and shorten sensor wires to | ||
2 | FLASHES |
| back each of sensor. | |
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| • Reattach sending eye to motor unit using shortened wires. If sending eye indicator | |
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| light glows steadily, attach the receiving eye. | |
Safety reversing sensors | ||||
| • Align sensors, if the indicator lights glow replace the wires for the sensors. If the | |||
wire shorted or |
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black/white wire reversed. |
| sensor indicator lights do not light, replace the safety reversing sensors. | ||
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3 FLASHES | Symptom: LED is not lit on control console. | |
Control console or | • Inspect control console/wires for a short (staple in wire), replace as needed. | |
• Disconnect wires at control console, touch wires together. If motor unit activates, | ||
wire shorted. | ||
replace control console. | ||
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| • If motor unit does not activate, disconnect control console wires from motor unit. | |
| Momentarily short across red and white terminals with jumper wire. If motor unit | |
| activates, replace control console wires. |
4 | FLASHES | Symptom: Sending indicator light glows steadily, receiving indicator light is | |
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| 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). | |||
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5 | FLASHES | Symptom: RPM Sensor = Short travel | |
Possible RPM sensor | • Unplug unit to reset. Try to operate motor unit, check diagnostic code. | ||
• If it is still flashing 5 times and motor unit moves | |||
failure. Unplug to reset. | |||
RPM sensor. | |||
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