Daikin FT25CV1A Service Manual
Also see for FT25CV1A: Operation manual
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Contents
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Si01-406Service Diagnosis 81Part 6Part 6Part 6Part 6Service DiagnosisService DiagnosisService DiagnosisService Diagnosis1. Troubleshooting by Lamps....................................................................822. Problem and Solution............................................................................833. Service Check Function ........................................................................843.1 ARC423 Series Remote Controller ........................................................843.2 ARC433 Series Remote Controller ........................................................854. Troubleshooting ....................................................................................864.1 Error Codes ............................................................................................864.2 Indoor Unit PCB Abnormality .................................................................874.3 Freeze-up Protection Control or High Pressure Control.........................884.4 Fan Motor or Related Abnormality .........................................................904.5 Thermistor or Related Abnormality (Indoor Unit)....................................934.6 Indoor Unit PCB Abnormality .................................................................944.7 Signal Transmission Error (between Indoor and Outdoor Units)............954.8 OL Activation (Compressor Overload) ...................................................964.9 Compressor Lock ...................................................................................974.10 Input Over Current Detection .................................................................984.11 Four Way Valve Abnormality..................................................................994.12 High Pressure Control in Cooling .........................................................1014.13 CT or Related Abnormality ...................................................................1034.14 Thermistor or Related Abnormality (Outdoor Unit)...............................1054.15 Electrical Box Temperature Rise..........................................................1074.16 Radiation Fin Temperature Rise ..........................................................1094.17 Output Over Current Detection.............................................................1114.18 Insufficient Gas.....................................................................................1135. Check ..................................................................................................1155.1 Fan Motor Connector Output Check ....................................................1155.2 Four Way Valve Performance Check ...................................................1155.3 Thermistor Resistance Check ..............................................................1165.4 Installation Condition Check.................................................................1175.5 Discharge Pressure Check...................................................................1185.6 Outdoor Unit Fan System Check..........................................................1195.7 Power Supply Waveforms Check.........................................................1195.8 Inverter Units Refrigerant System Check .............................................1205.9 Capacitor Voltage Check......................................................................1205.10 Power Transistor Check .......................................................................1215.11 Hall IC Check .......................................................................................1225.12 Power Transistor Output Check ...........................................................1235.13 Inverter Units Compressor / Refrigerant System Check ......................124 |
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