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75
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'10 • SCM-SM-094
2.2.2 Troubleshooting flow
(1) List of troubles
No.
Remote controller display
Description of trouble Reference page
1 None Operates but does not cool. 76
2 None Operates but does not heat. 77
3 None Earth leakage breaker activated 78
4 None Excessive noise/vibration (1/3) 79
5 None Excessive noise/vibration (2/3) 80
6 None Excessive noise/vibration (3/3) 81
7 None Louver motor failure 82
8 None
Power supply system error (Power supply to indoor control PCB)
83
9 None Power supply system error (Power supply to remote controller) 84
10 INSPECT I/U INSPECT I/U (When 1 or 2 remote controllers are connected) 85
11 INSPECT I/U INSPECT I/U (Connection of 3 units or more remote controllers) 86
12
Communication error at initial operation 87~89
13 E1 Remote controller communication circuit error 90
14 E5 Communication error during operation 91
15 E6 Indoor heat exchanger temperature thermistor anomaly 92
16 E7 Return air temperature thermistor anomaly 93
17 E8 Heating overload operation 94
18 E9 Drain trouble 95
19 E10
Excessive number of connected indoor units (more than 17 units) by controlling with one remote controller
96
20 E16 Indoor fan motor anomaly 97
21 E19 Indoor unit operation check, drain motor check setting error 98
22 E28 Remote controller temperature thermistor anomaly 99
23 E35 Cooling overload operation 100
24 E36 Discharge pipe temperature error 101
25 E37 Outdoor heat exchanger temperature sensor anomaly 102
26 E38 Outdoor air temperature sensor anomaly 103
27 E39 Discharge pipe temperature sensor anomaly 104
28 E42 Current cut 105, 106
29 E45 Outdoor sub PCB communication error 107
30 E47 Active filter voltage error 108
31 E48 Outdoor fan motor anomaly 109
32 E51 Power transistor anomaly 110
33 E53 Suction pipe temperature error 111
34 E57 Insufficient refrigerant amount or detection of service valve closure 112
35 E58 Current safe stop 113
36 E59 Compressor startup failure 114
37 E60 Anomalous compressor rotor lock 115
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