Mitsubishi Heavy Industries KXZ Series User Manual

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130
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'21 • KX-T-380
2.3 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
E1 – Remote control communication error Communication error 152
E2 – Duplicated indoor unit address Address setting error 153
E3 – Outdoor unit signal line error
Address pairing setting error 154
E5 – Communication error during operation Communication error 155
E6 –
Indoor unit heat exchanger temperature sensor anomaly (Thi-R) Sensor wire breakage 156
E7 – Indoor return air temperature
sensor anomaly
(Thi-A) Sensor wire breakage 157
E9 – Drain trouble System error 158
E10 –
Excessive number of indoor units (more than 17 units) by
controlling one remote control
Communication error 159
E11 – Address setting error of indoor units
E12 – Address setting error by mixed setting method Address setting error 161
Address setting error 160
E16
– Indoor DC fan motor anomaly (FDT, FDTC, FDK series) 162
– Indoor DC fan motor anomaly
– Indoor DC fan motor anomaly
163
164
E20 – Indoor DC fan motor rotation speed anomal
y DC fan motor error 168
169
E19 –
Indoor unit operation check, drain pump motor check mode anomaly Setting error
–
Indoor DC fan motor rotation speed anomaly (FDT, FDTC, FDK series)
166
167
E18 – Address setting error of master and slave indoor units
Address setting error 165
E28 – Remote control temperature sensor anomaly (Thc)
Sensor
wire breakage 170
E31 E31 Duplicated outdoor unit address No. Address setting error 171
E32 E32 Open of Phase (L1,L2,N) on power source at primary side Site setting error 172
E36
E36-1, 2 Discharge pipe temperature error (Tho-D1,D2) System error 173
E37
E37-1, 2, 3, 4
E37-5, 6
Outdoor unit heat exchanger temperature sensor (Tho-R)
and subcooling coil temperature sensor (Tho-SC, -H)
anomaly
Sensor wire breakage
174
E38 E38 Outdoor air temperature sensor anomaly (Tho-A)
Sensor
wire breakage 175
E39 E39-1, 2
Discharge pipe temperature sensor anomaly (Tho-D1, D2) Sensor wire breakage 176
E40 E40 High pressure anomaly (63H1-1, 2 activated) System error 177
E42 E42-1, 2 Current cut (CM1, CM2) System error
E44 E44-1, 2 Liquid flooding anomaly (CM1,2) System error
178
E43
E43-1
E43-2
Excessive number of indoor units connected, excessive total
capacity of connection
Site setting erro
E45 E45-1, 2
Communication error between inverter PCB and outdoor unit
control (PCB)
Communication error
E46 E46 Mixed address setting methods coexistent in same network Address setting error
E48
E48-1
E48-2
Outdoor DC fan motor anomaly DC fan motor error
E49 E49 Low pressure anomaly System error 185
E53/E55
Suction pipe temperature sensor anomaly (Tho-S),
Under-dome temperature sensor anomaly (Tho-C1, C2)
Sensor wire
breakage
186
E54
E54-1
E54-2
High pressure sensor anomaly (PSH)/Low pressure sensor
anomaly (PSL)
Sensor wire
breakage
187
E56 E56-1, 2
Heat dissipation fins temperature sensor anomaly (Tho-P1, P2) Sensor wire breakage 188
E58 E58-1, 2 Anomalous compressor by loss of synchronism System error 189
E59 E59-1, 2 Compressor startup failure (CM1, CM2) System error 190
E61 E61-1, 2 Communication error between the master unit and slave units System error 191
E63 E63 Emergency stop Site setting error
2) Option control in-use
SL1N-E
SL2NA-E
SL4-AE/BE
Indoor unit
control PCB
Outdoor unit
control PCB
Location of
trouble
Description of trouble
Repair
method
Error
code
Red
LED
Red
LED
Green
LED
Red
LED
Green
LED
E75
Keeps
flashing
Stays
OFF
Keeps
flashing
Stays
OFF
Keep
flashing
・Communication enor (Deflective comm-
unication circuit on the main unit of
SL1N-E, SL2NA-E or SL4-AE/BE)
Replacement
SL1N-E
SL2NA-E
SL4-AE/BE
181
182
179
180
183
.
184
192
DC fan motor error
E53/
E55-1, 2
– Indoor DC fan motor rotation speed anomal
y
2.3 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
E1 – Remote control communication error Communication error 152
E2 – Duplicated indoor unit address Address setting error 153
E3 – Outdoor unit signal line error
Address pairing setting error 154
E5 – Communication error during operation Communication error 155
E6 –
Indoor unit heat exchanger temperature sensor anomaly (Thi-R) Sensor wire breakage 156
E7 – Indoor return air temperature
sensor anomaly
(Thi-A) Sensor wire breakage 157
E9 – Drain trouble System error 158
E10 –
Excessive number of indoor units (more than 17 units) by
controlling one remote control
Communication error 159
E11 – Address setting error of indoor units
E12 – Address setting error by mixed setting method Address setting error 161
Address setting error 160
E16
– Indoor DC fan motor anomaly (FDT, FDTC, FDK series) 162
– Indoor DC fan motor anomaly
– Indoor DC fan motor anomaly
163
164
E20 – Indoor DC fan motor rotation speed anomal
y DC fan motor error 168
169
E19 – Indoor unit operation check, drain pump motor check mode anomaly Setting error
–
Indoor DC fan motor rotation speed anomaly (FDT, FDTC, FDK series)
166
167
E18 – Address setting error of master and slave indoor units Address setting error 165
E28 – Remote control temperature sensor anomaly (Thc)
Sensor
wire breakage 170
E31 E31 Duplicated outdoor unit address No. Address setting error 171
E32 E32 Open of Phase (L1,L2,N) on power source at primary side Site setting error 172
E36
E36-1, 2 Discharge pipe temperature error (Tho-D1,D2) System error 173
E37
E37-1, 2, 3, 4
E37-5, 6
Outdoor unit heat exchanger temperature sensor (Tho-R)
and subcooling coil temperature sensor (Tho-SC, -H)
anomaly
Sensor wire breakage
174
E38 E38 Outdoor air temperature sensor anomaly (Tho-A)
Sensor
wire breakage 175
E39 E39-1, 2
Discharge pipe temperature sensor anomaly (Tho-D1, D2) Sensor wire breakage 176
E40 E40 High pressure anomaly (63H1-1, 2 activated) System error 177
E42 E42-1, 2 Current cut (CM1, CM2) System error
E44 E44-1, 2 Liquid flooding anomaly (CM1,2) System error
178
E43
E43-1
E43-2
Excessive number of indoor units connected, excessive total
capacity of connection
Site setting erro
E45 E45-1, 2
Communication error between inverter PCB and outdoor unit
control (PCB)
Communication error
E46 E46 Mixed address setting methods coexistent in same network Address setting error
E48
E48-1
E48-2
Outdoor DC fan motor anomaly DC fan motor error
E49 E49 Low pressure anomaly System error 185
E53/E55
Suction pipe temperature sensor anomaly (Tho-S),
Under-dome temperature sensor anomaly (Tho-C1, C2)
Sensor wire
breakage
186
E54
E54-1
E54-2
High pressure sensor anomaly (PSH)/Low pressure sensor
anomaly (PSL)
Sensor wire
breakage
187
E56 E56-1, 2
Heat dissipation fins temperature sensor anomaly (Tho-P1, P2) Sensor wire breakage 188
E58 E58-1, 2 Anomalous compressor by loss of synchronism System error 189
E59 E59-1, 2 Compressor startup failure (CM1, CM2) System error 190
E61 E61-1, 2 Communication error between the master unit and slave units System error 191
E63 E63 Emergency stop Site setting error
2) Option control in-use
SL1N-E
SL2NA-E
SL4-AE/BE
Indoor unit
control PCB
Outdoor unit
control PCB
Location of
trouble
Description of trouble
Repair
method
Error
code
Red
LED
Red
LED
Green
LED
Red
LED
Green
LED
E75
Keeps
flashing
Stays
OFF
Keeps
flashing
Stays
OFF
Keep
flashing
・Communication enor (Deflective comm-
unication circuit on the main unit of
SL1N-E, SL2NA-E or SL4-AE/BE)
Replacement
SL1N-E
SL2NA-E
SL4-AE/BE
181
182
179
180
183
.
184
192
DC fan motor error
E53/
E55-1, 2
– Indoor DC fan motor rotation speed anomal
y
8.3 Contents of troubleshooting

Mitsubishi Heavy Industries KXZ Series Specifications

General

Brand	Mitsubishi Heavy Industries
Model	KXZ Series
Category	Air Conditioner
Language	English