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SiUS091628EA
53
Service Diagnosis
Part 6
Service Diagnosis
1. General Problem Symptoms and Check Items .........................................55
2. Troubleshooting with LED .........................................................................56
3.1 Wired Remote Controller (BRC1E73) ........................................................ 57
3.2 Wireless Remote Controller Kit (BRC082A41W, BRC082A42W(S)) ......... 59
4.1 Error Codes and Description ...................................................................... 63
4.2 Indoor Unit PCB Abnormality ..................................................................... 64
4.3 Drain Level Control System Abnormality.................................................... 65
4.4 Indoor Fan Motor (DC Motor) or Related Abnormality ............................... 66
4.5 Humidifier or Related Abnormality.............................................................. 68
4.6 Thermistor or Related Abnormality............................................................. 69
4.7 Presence Sensor or Floor Sensor Abnormality .......................................... 70
4.8 Remote Controller Thermistor Abnormality ................................................ 71
4.9 Signal Transmission Error
(Between Indoor Unit and Remote Controller) ........................................... 72
4.10 Signal Transmission Error
(Between MAIN Remote Controller and SUB Remote Controller) ............. 73
4.11 Low-voltage Detection or Over-voltage Detection...................................... 74
4.12 Signal Transmission Error (Between Indoor Unit and Outdoor Unit).......... 76
4.13 Mismatching of Indoor Unit and Outdoor Unit ............................................ 78
4.14 Outdoor Unit PCB Abnormality................................................................... 79
4.15 OL Activation (Compressor Overload) ....................................................... 80
4.16 Compressor Lock ....................................................................................... 82
4.17 DC Fan Lock (Outdoor Fan Motor)............................................................. 83
4.18 Input Overcurrent Detection ....................................................................... 84
4.19 Four Way Valve Abnormality...................................................................... 85
4.20 Discharge Pipe Temperature Control......................................................... 87
4.21 High Pressure Control in Cooling ............................................................... 88
4.22 System Shutdown due to Compressor Internal Temperature
4.23 Compressor System Sensor Abnormality .................................................. 91
4.24 Position Sensor Abnormality ...................................................................... 92
4.25 Thermistor or Related Abnormality (Outdoor Unit)..................................... 94
4.26 Electrical Box Temperature Rise................................................................ 96
4.27 Radiation Fin Temperature Rise ................................................................ 97
4.28 Output Overcurrent Detection .................................................................... 98
Summary of Contents for FFQ09Q2VJUFFQ12Q2VJUFFQ15Q2VJUFFQ18Q2VJURX09QMVJURX12QMVJURX15QMVJURX18QMVJU
Page 12: ...SiUS091628EA 1 List of Functions Part 1 List of Functions 1 Functions 2...
Page 14: ...SiUS091628EA 3 Specifications Part 2 Specifications 1 Specifications 4...
Page 120: ...Check SiUS091628EA 109 Service Diagnosis 15 18 class R20701 1 2 3 4 Multimeter...
Page 122: ...Check SiUS091628EA 111 Service Diagnosis 15 18 class R20704 W V U DC_P1 DC_N1...