Daikin CTXU25G2V1B Service Manual
Also see for 2MXU40GV1B: Service manualInstallation manualService Manual Removal Procedure
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Contents
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SiBE12-908101 Service DiagnosisPart 6Service Diagnosis1. Service Check Function ......................................................................1031.1 Failure Diagnosis with Multi-Colored Indicator Lamp ...........................1031.2 Failure Diagnosis by LED Indication ....................................................1031.3 Failure Diagnosis by Remote Controller...............................................1042. Troubleshooting ..................................................................................1072.1 Error Code Indication by Remote Controller ........................................1072.2 Air conditioner does not run. ................................................................1092.3 Air conditioner runs but does not cool (heat)........................................1122.4 When operation starts, safety breaker works. ......................................1142.5 Air conditioner makes big noise and vibration......................................1162.6 Air is not humidified enough. ................................................................1172.7 Indoor Unit PCB Abnormality ...............................................................1202.8 Freeze-up Protection Control or Heating Peak-cut Control..................1212.9 Fan Motor (DC Motor) or Related Abnormality.....................................1232.10 Thermistor or Related Abnormality (Indoor Unit)..................................1252.11 Humidity Sensor Abnormality ...............................................................1262.12 Signal Transmission Error (Indoor Unit - Outdoor Unit) .......................1272.13 Incompatible Power Supply between Indoor Unit and Outdoor Unit ....1292.14 Incomplete Setting for Hose Length .....................................................1302.15 Freeze-up Protection in Other Rooms / Unspecified Voltage(between Indoor and Outdoor Units) ....................................................1312.16 Outdoor Unit PCB Abnormality.............................................................1322.17 OL Activation (Compressor Overload) .................................................1332.18 Compressor Lock .................................................................................1342.19 DC Fan Lock ........................................................................................1352.20 Input Overcurrent Detection .................................................................1362.21 Discharge Pipe Temperature Control...................................................1382.22 High Pressure Control in Cooling .........................................................1392.23 Compressor Sensor System Abnormality ............................................1412.24 Damper Abnormality.............................................................................1422.25 Position Sensor Abnormality ................................................................1432.26 DC Voltage / DC Current Sensor Abnormality .....................................1452.27 Thermistor or Related Abnormality (Outdoor Unit)...............................1462.28 Abnormal Temperature in Electrical Box..............................................1482.29 Temperature Rise in Radiation Fin.......................................................1502.30 Output Overcurrent...............................................................................1522.31 Refrigerant Shortage ............................................................................1542.32 Over Voltage Protection / Low Voltage Protection ...............................1562.33 Outdoor Unit PCB Abnormality orCommunication Circuit Abnormality .....................................................1572.34 Signal Transmission Error on Outdoor Unit PCB .................................1602.35 Fan Motor System Abnormality / Fan Lock ..........................................1622.36 Heater Wire Abnormality ......................................................................1632.37 Humidifying Fan Outlet Thermistor Abnormality / HeaterTemperature Abnormality.....................................................................165 |
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