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Craftsman CMXEOCG322 Owner's Manual
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TROUBLESHOOTINGDIAGNOSTIC CHARTYour garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash the diagnostic codes.UP ARROWFLASH(ES)DOWNARROWFLASH(ES)SYMPTOM SOLUTION1 1 The garage door opener willnot close.Safety reversing sensors are not installed, connected, or wires may be cut. Inspect sensor wiresfor a disconnected or cut wire.1 2 The garage door opener willnot close.There is a short or reversed wire for the safety reversing sensors. Inspect safety sensor wire atall staple and connection points, replace wire or correct as needed.1 3 The door control will notfunction.The wires for the door control are shorted or the door control is faulty. Inspect door control wiresat all staple and connection points, replace wire or correct as needed.1 4 The garage door opener willnot close.Safety reversing sensors are misaligned or were momentarily obstructed. Realign both sensorsto ensure both LEDs are steady and not flickering. Make sure nothing is hanging or mounted onthe door that would interrupt the sensor’s path while closing.1 5 Door moves 6-8" (15-20 cm)stops or reverses.Manually open and close the door. Check for binding or obstructions, such as a broken springor door lock, correct as needed. Check wiring connections at travel module and at the logicboard. Replace travel module if necessary.No movement, only a singleclick.Manually open and close the door. Check for binding or obstructions, such as a broken springor door lock, correct as needed. Replace logic board if necessary.Opener hums for 1-2 secondsno movement.Manually open and close the door. Check for binding or obstructions, such as a broken springor door lock, correct as needed. Replace motor if necessary.1 6 Door coasts after it has cometo a complete stop.Program travel to coasting position or have door balanced by a trained door systems technician.2 1-5 No movement, or sound. Replace logic board.3 2 Unable to set the travel orretain position.Check travel module for proper assembly, replace if necessary.3 3 The battery status LED isconstantly flashing green.Battery backup charging circuit error, replace the logic board.4 1-4 Door is moving, stops orreverses. Opener beeps andlights flash.Manually open and close the door. Check for binding or obstructions, such as a broken springor door lock, correct as needed. If the door is binding or sticking, contact a trained door systemstechnician. If door is not binding or sticking, attempt to reprogram travel (refer to page 29).4 5 Opener runs approximately6-8" (15-20 cm), stops andreverses.Communication error to travel module. Check travel module connections, replace travel moduleif necessary.4 6 The garage door opener willnot close.Safety reversing sensors are misaligned or were momentarily obstructed. Realign both sensorsto ensure both LEDs are steady and not flickering. Make sure nothing is hanging or mounted onthe door that would interrupt the sensor’s path while closing.These are additional troubleshooting issues that will not show up in thediagnostic codes:My remote control will not activate the garage door:• Verify the lock feature is not activated on the door control.• Reprogram the remote control.• If the remote control will still not activate the door check thediagnostic codes to ensure the garage door opener is workingproperly.Cannot connect garage door opener to home Wi-Fi network:• Ensure the CRAFTSMAN serial number was entered correctly andtry again. The CRAFTSMAN serial number uses the characters A-Fand 0-9 only.• If your black adjustment button is not solid green go tosupport.chamberlaingroup.com.My neighbor’s remote control opens my garage door:Erase the memory from your garage door opener and reprogram the remotecontrol(s).39 |
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