SiBE12-712C TroubleshootingService Diagnosis 2154.6 Front Panel Open / Close FaultRemoteControllerDisplayC7Method ofMalfunctionDetectionMalfunctionDecisionConditions The system will be shut down when the error occurs twice.SupposedCauses Malfunction of the reduction motor Malfunction or deterioration of the front panel mechanism Malfunction of the limit switchTroubleshootingNote: You cannot operate the unit by the remote controller when the front panel mechanism breaksdown.1. Pull the plug out or turn the breaker off.2. Remove the decorative plate.3. Remove the slot-in panel.4. Put the plug in or turn the breaker on.(Wait until the initialization finishes.)5. Operate the unit by the indoor unit ON/OFF switch.YESYESYESYESNONONONOReplace the reduction motor.Replace the assembly of thefront panel mechanism.+Check the movement of theright and left separately byhand.It is supposed such asdeformation of the panel orstuffed dust.Find out the cause.Replace the limit switch.(R7135)CautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.Does it move?Does it move?Does it open / closefully?Restart.Does the error codereappear?Restart and check themovement.Remove the front panel andcheck the movement.