Mitsubishi KXZ Series - 9.3 Contents of troubleshooting

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218
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'20 • KX-T-373
9.3 Contents of troubleshooting
(a) List of inspection displays
1) Indoor and outdoor units
Remote
control
error code
7-segment
display
Name of inspection Classification Page
None Operates but does not cool System error 220
None Operates but does not heat System error 221
None Earth leakage breaker activated System error 222
None Excessive noise/vibration (1/3)
Improper installation
work
223
None Excessive noise/vibration (2/3) Unit error 224
None Excessive noise/vibration (3/3) Unit error 225
None Louver motor anomaly Louver motor error 226
None Power source system anomaly (Power source to indoor unit PCB) Wrong connection 227
None Power source system anomaly (Power source to reomote control)
Wire breakage/short-
circuit
228
WAIT
WAIT
/Searching IU (1) System error 229
WAIT
WAIT
(2) System error 230
WAIT
WAIT
(3) System error 231
[No display]
[No display] System error 232
E1
Remote control communication error Communication error 233
E2
Duplicated indoor unit address Address setting error 234
E3 Outdoor unit signal line error
Address pairing setting
error
235
E5 Communication error during operation Communication error 236
E6 Indoor unit heat exchanger temperature sensor anomaly (Thi-R) Sensor wire breakage 237
E7 Indoor return air temperature sensor anomaly (Thi-A) Sensor wire breakage 238
E9 Drain trouble System error 239
E10
Excessive number of indoor units (more than 17 units) by
controlling one remote control
Communication error 240
E11 Address setting error between master and slave indoor units Address setting error 241
E12 Address setting error by mixed setting method Address setting error 242
E16 Indoor DC fan motor anomaly DC fan motor error 243
E19
Indoor unit operation check, drain pump motor check mode
anomaly
Setting error 244
E20 Indoor DC fan motor rotation speed anomaly DC fan motor error 245
E28 Remote control temperature sensor anomaly (Thc) Sensor wire breakage 246
E30 E30 EEVKIT False connection detection System error 247
E31 E31 Duplicated outdoor unit address No. Address setting error 248
E32 E32
Open L3 Phase on power source at primary side (3 phase mode
only)
Site setting error 249
E36 E36 Discharge pipe temperature error (Tho-D1) System error 250
E37 E37
Outdoor unit heat exchanger temperature sensor (Tho-R) and
subcooling coil temperature sensor (Tho-SC, -H)
anomaly
Sensor wire breakage 251
E38 E38 Outdoor air temperature sensor anomaly (Tho-A) Sensor wire breakage 252
E39 E39 Discharge pipe temperature sensor anomaly (Tho-D1) Sensor wire breakage 253
E40 E40 High pressure anomaly (63H1-1 activated) System error 254
E42 E42 Current cut (1) (2) System error 255·256
E43 E43
Excessive number of indoor units connected, excessive total capacity of
connection, communication error from outdoor unit to indoor unit
Site setting error 257
E44 E44 Liquid flooding anomaly System error 258
E45 E45
Communication error between inverter PCB and outdoor unit
control PCB (1)(2)
Communication error 259·260
E46 E46 Mixed address setting methods coexistent in same network Address setting error 261