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65
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'19 • PAC-SM-312
Remote control display
Description of trouble
Reference page
None
Operates but does not cool.
66
None
Operates but does not heat.
67
None
Earth leakage breaker activated
68
None
Excessive noise/vibration (1/3)
69
None
Excessive noise/vibration (2/3)
70
None
Excessive noise/vibration (3/3)
71
None
Louver motor failure (FDT, FDE series)
72
None
Power source system error (Power source to indoor unit control PCB)
73
None
Power source system error (Power source to remote control)
74
INSPECT I/U
INSPECT I/U (When 1 or 2 remote controls are connected)
75
INSPECT I/U
INSPECT I/U (Connection of 3 units or more remote controls)
76
WAIT
Communication error at initial operation
77-79
E1
Remote control communication circuit error
80
E5
Communication error during operation
81
E6
Indoor heat exchanger temperature sensor anomaly
82
E7
Return air temperature sensor anomaly
83
E8
Heating overload operation
84
E9
Drain trouble (FDT, FDU, FDUM series)
85
E10
Excessive number of connected indoor units (more than 17 units) by controlling with one remote control
86
E11
Address setting error of indoor units
87
E14
Communication error between master and slave indoor units
88
E16
Indoor fan motor anomaly
89
E18
Address setting error of master and slave indoor units
90
E19
Indoor unit operation check, drain pump motor check setting error
91
E20
Indoor fan motor rotation speed anomaly
92
E21
Defective panel switch operation (FDT series)
93
E28
Remote control temperature sensor anomaly
94
E35
Cooling overload operation
95
E36
Discharge pipe temperature error
96
E37
Outdoor heat exchanger temperature sensor anomaly
97
E38
Outdoor air temperature sensor anomaly
98
E39
Discharge pipe temperature sensor anomaly
99
E40
Service valve (gas side) closing operation
100
E42
Current cut
101
・
102
E47
Active filter voltage error
103
E48
Outdoor fan motor anomaly
104
E51
Power transistor anomaly
105
E57
Insufficient refrigerant amount or detection of service valve closure
106
E58
Current safe stop
107
E59
Compressor startup failure
108
E60
Compressor rotor lock error
109
2.1.2 Troubleshooting flow
(1) List of troubles
Model FDC71VNP-W