Contents Of Troubleshooting; List Of Inspection Displays - Mitsubishi Heavy Industries FDC280KXZE1 Service Manual

2.3 Contents of troubleshooting
(a) List of inspection displays
1) Indoor and outdoor units
Remote
control
error code
E1
E2
E3
E5
E6
E7
E9
E10
E11
E12
E16
E18
E19
E20
E21
E28
E31
E32
E36
E37
E38
E39
E40
E41 (E51) E41 (E51)-1, 2 Power transistor overheat
E42
E43
E44
E45
E46
E48
E49
E53/E55
E54
E56
E58
E59
E61
E63
7-segment
display
– Remote control communication error
– Duplicated indoor unit address
– Outdoor unit signal line error
– Communication error during operation
– Indoor heat exchanger temperature thermistor anomaly (ThI-R) Thermistor wire breakage
– Indoor return air temperature thermistor anomaly (ThI-A)
– Drain trouble
Excessive number of indoor units (more than 17 units) by
–
controlling one remote control
– Address setting error between master and slave indoor units Address setting error
– Address setting error by mixed setting method
Indoor fan motor anomaly (FDT, FDTC, FDTW, FDTS,
–
FDU, FDUM, FDK, FDUT71, FDFW series)
– Address setting error of master and slave indoor units
– Indoor unit operation check drain motor check mode anomaly Setting error
Indoor fan motor speed anomaly (FDT, FDTC, FDTW,
–
FDTS, FDU, FDUM, FDK, FDUT71, FDFW series)
– Detective panel switch operation (FDT)
– Remote control temperature thermistor anomaly (Thc)
E31 Duplicated outdoor unit address No.
E32 Open L3 Phase on power supply at primary side
E36-1, 2 Discharge pipe temperature error (Tho-D1, D2)
Outdoor heat exchanger temperature thermistor (Tho-R)
E37-1, 2
E37-4, 5 and subcooling coil temperature thermistor (Tho-SC, -H)
E37-5, 6
anomaly
E38 Outdoor air temperature thermistor anomaly (Tho-A)
E39-1, 2 Discharge pipe temperature thermistor anomaly (Tho-D1, D2)
E40 High pressure anomaly (63H1-1, 2 activated)
E42-1, 2 Current cut (CM1, 2)
E43-1 Excessive number of indoor units connected, excessive total
E43-2 capacity of connection
E44-1, 2 Liquid flooding anomaly (CM1,2)
Communication error between inverter PCB and outdoor
E45-1, 2
control PCB
E46 Mixed address setting methods coexistent in same network
E48-1
Outdoor DC fan motor anomaly
E48-2
E49 Low pressure anomaly
Suction pipe temperature thermistor anomaly (Tho-S),
E53/E55-1, 2
Under-dome temperature thermistor anomaly (Tho-C1, C2)
E54-1 High pressure sensor anomaly (PSH)
E54-2 Low pressure sensor anomaly (PSL)
E56-1, 2 Power transistor temperature thermistor anomaly (Tho-P1, Tho-P2) Thermistor wire breakage
E58-1, 2 Anomalous compressor by loss of synchronism
E59-1, 2 Compressor startup failure (CM1, 2)
E61-1, 2 Communication error between the master unit and slave units System error
E63 Emergency stop
Name of inspection
68
– –
'14 • KX-SM-202
Classification Page
Communication error 85
Address setting error 86
Address pairing setting error 87
Communication error 88
89
Thermistor wire breakage 90
System error 91
Communication error 92
93
Address setting error 94
DC fan motor error 95
Address setting error 96
97
DC fan motor error 98
Panel switch error 99
Thermistor wire breakage 100
Address setting error 101
Site setting error 102
System error 103
Thermistor wire
104
breakage
Thermistor wire breakage 105
Thermistor wire breakage 106
System error 107
System error 108
System error 109
Site setting error 110
System error 111
Communication error 112
Address setting error 113
DC fan motor error 114, 115
System error 116
Thermistor wire
117
breakage
Thermistor wire
118
breakage
119
System error 120
System error 121
122
Site setting error 123