Haier AU482FIERA Installation & Maintenance Instructions Manual

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Haier AU482FIERA Installation & Maintenance Instructions Manual Manual pdf 45 page image

4311. Failure CodeThe nixie light of the outdoor unit control panel displays malfunction code directly when malfunction occurs.(This malfunction table only applies to the follow models referred in this manual.)AU282FHERA, AU482FIERA (G), AU48NFIERA (G), AU60NFIERA (G)malfunction code and malfunction confirmingMalfunctioncodeIndicationon wiredcontrollerMalfunction position1 21 Circuit TE of defrosting temp. sensor2 22 Circuit TA of environment temp. sensor3 23 Circuit TS of compressor suction temp. sensor4 24 Circuit TD of compressor discharge temp. sensor5 25 Circuit TC of condenser middle part temp. sensor6 26 Incorrect dipswitch setting for model selection on outdoor PCB7 27 Current sensor failure8 28 DC motor failure9 29 Alarm and stop when the testing indoor numbers are inconsistent with the initialsearched locked numbers which can recoverable10 2A Fault of reading EEROM11 2B Protecting action of compressor discharge temperature (TD)12 2C Protecting action of IPM temperature13 2D High pressure switch open circuit14 2E Low pressure switch open circuit15 2F Discharging temp. too low of inverter compressor16 30 Protecting action of compressor suction temperature (TS)17 31 Alarm and stop when starting indoor capacity exceed 160% of outdoor capacity whichcan recoverable automatically18 32 Alarm and stop when current exceed the standard value which can recoverableautomatically20 34 Communicating fault if control panel and IPM21 35 Compressor over current22 36 Communicating fault of indoor and outdoor units23 37 IPM fault (For signal trip)24 38 IPM temperature too high25 39 Over current at acceleration state (hardware trip)26 3A Over current at steady state (hardware trip)27 3B Over current at deceleration state (hardware trip)28 3C DC bus under voltage29 3D DC bus over voltage30 3E Over current at acceleration state (software trip)