Troubleshooting SiBE04113482 Service Diagnosis4.12 Compressor LockRemoteControllerDisplayE6Method ofMalfunctionDetectionA compressor lock is detected by checking the compressor running condition through theposition detection circuit.MalfunctionDecisionConditions Operation stops due to overcurrent. If the error repeats, the system is shut down. Reset condition: Continuous run for about 11 minutes without any other errorSupposedCauses Compressor locked Compressor harness disconnectedTroubleshootingCheck No.15Refer to P.105Turn off the power. Disconnect theharnesses U, V, and W.(R14439)CautionNOYESYESNONOYESCheck No.15Check with the inverter checker (∗).Turn off the power and reconnectthe harnesses. Turn on the poweragain and restart the system.(Precaution before turning on the power again)Make sure the power has been off for at least 30 seconds.Correct the power supply orreplace the outdoor unitPCB.∗ Inverter checkerPart No.: 1225477Replace the compressor.Replace the compressor.Check the outdoor electronicexpansion valve coil.Replace it as required.Normal?Emergencystop without compressorrunning?System shutdown after errors repeatedseveral times?Be sure to turn off the power switch before connecting or disconnectingconnectors, or parts may be damaged.