Haier HSU24VHJ(DB) Service Manual

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HSU24VHJ˄DB˅ Service DiagnosisDomestic Air Conditioner637.3.11 Loop of the station detect errorOutdoor Display LED1 flash 18 times Indoor Display F11LED1 flash 19 times Indoor Display F28Method of the position of the compressor rotor can not detected normallyMalfunctionDetectionMalfunction when the The wiring of compressor is wrong or the connection is poor;Decision or the compressor is damagedConditionsSupposed Faulty The wiring of compressorCauses Faulty compressorƵ Faulty PCBTroubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.MalfunctionunsolvedYESYESNO1. The wiring of compressor isincorrect or the connection ispoor;2. The compressor is damagedIPM Module is damaged andneeds replacing.At frist, the compressor start up ,soonthe compressor stopped with the LED1on the outdoor PCB blinks˄1Hz˅for 19timesthe Malfunctions exist also, .The compressor is damagedreplace a new oneWithin 3 minutes after the machineis supplied with power and turnedon with the remote controller, thecompressor couldnot stard up