SiUS041111 TroubleshootingService Diagnosis 914.10 Compressor LockRemoteControllerDisplayE6Method ofMalfunctionDetectionA compressor lock is detected by the current waveform generated when applying high-frequencyvoltage to the motor.MalfunctionDecisionConditions If the error repeats, the system is shut down Reset condition: Continuous run for about 11 minutes without any other errorSupposedCauses Compressor locked Disconnection of compressor harnessTroubleshootingCheck No.15Refer to P.120(R14439)CautionNOYESYESNONOYESCorrect the power supplyor replace the outdoor unitPCB.∗ Inverter checkerPart No.: 1225477Replace the compressor.Replace the compressor.Check the electronicexpansion valve.Replace it as required.Be sure to turn off the power switch before connecting or disconnectingconnectors, or parts may be damaged.(Precaution before turning on the power again)Make sure the power has been off for at least 30 seconds.Turn off the power. Disconnect theharnesses U, V, and W.Check No.15Check with the inverter checker (∗).Turn off the power and reconnectthe harnesses. Turn on the poweragain and restart the system.Normal?Emergencystop without compressorrunning?System shutdown after errors repeatedseveral times?
