Troubleshooting by Indication on the Remote Controller SiBE31-801_C281 TroubleshootingTroubleshooting Output current checkCautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.YESCheck if thestop valve isopen.Check if thecompressorlead wires arenormal.Check if thewiring andconnection to thecompressor arenormal.Insulationresistance of thecompressor is100kΩ or below.Compressor coilsare disconnected.CHECK 4 ∗Check if the power transistoris normal.Malfunction code“L8” is displayedagain.Power OFFNONONOYESYESNOYESNOOpen the stop valve.Replace the compressorlead wires.Correct the wiring andconnection.Replace the invertercompressor.Replace the invertercompressor.Replace the inverterPCB (A4P).Continue operation.∗ : Referring to the information on P.341.CHECK 4Connect the compressor leadwires then restart the operation.Check if the pressure differencebetween high pressure and lowpressure before restarting is0.2MPa or below.YESYESNO Defective pressureequalizing in therefrigerant circuit.Inspection of thecompressor.YESYESNONO
