Mitsubishi Heavy Industries SCM80ZS-W User Manual

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'19 • SCM-SM-276
2.2.2 Troubleshooting flow
(1) List of troubles
Remote control display Description of trouble Reference page
None Operates but does not cool 112
None Operates but does not heat 113
None Earth leakage breaker activated 114
None Excessive noise/vibration 115−117
None Louver motor failure (FDTC and FDE only) 118
None
Power source system error (Power source to indoor unit control PCB) 119
None Power
source system error (Power source to remote control) 120
INSPECT I/U INSPECT I/U (When 1 or 2 remote controls are connected) 121
INSPECT I/U INSPECT I/U (Connection of 3 units or more remote controls) 122
WAIT
Communication error at initial operation 123−125
None No display 126
E1 Remote control communication circuit error 127
E5 Communication error during operation 128
E6 Indoor heat exchanger temperature sensor anomaly 129
E7 Return air temperature sensor anomaly 130
E8 Heating overload operation 131
E9 Drain trouble (FDTC and FDUM only) 132
E10
Excessive number of connected indoor units (more than 17 units) by controlling with one remote control 133
E11
Address setting error of indoor units 134
E16 Indoor fan motor anomaly 135
E19 Indoor unit operation check, drain pump motor check setting error 136
E20 Indoor fan motor rotation speed anomaly 137
E28 Remote control temperature sensor anomaly 138
E35 Cooling high pressure operation 139
E36 Discharge pipe temperature error 140
E37 Outdoor heat exchanger temperature sensor anomaly 141
E38 Outdoor air temperature sensor anomaly 142
E39 Discharge pipe temperature sensor anomaly 143
E40 Service valve (gas side) closing operation 144
E42 Current cut 145 · 146
E45 Outdoor unit sub PCB communication error 147
E47 Active filter voltage error 148
E48 Outdoor fan motor anomaly 149
E51 Power transistor anomaly 150
E53 Suction pipe temperature sensor anomaly 151
E57 Insufficient refrigerant amount or detection of service valve closure 152
E58 Current safe stop 153
E59 Compressor startup failure 154
E60 Compressor rotor lock error 155

Mitsubishi Heavy Industries SCM80ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SCM80ZS-W
Category	Air Conditioner
Language	English