27
9.1 Indoor Unit Error Display
Operation
lamp
Timer lamp
Display
LED STATUS
☆
1 time
X
E0
Indoor unit EEPROM parameter error
☆
2 times
X
E1
Indoor / outdoor units communication error
☆
3 times
X
E2
Zero-crossing signal detection error
☆
4 times
X
E3
Indoor fan speed has been out of control
☆
5 times
X
E4
Indoor room temperature sensor T1 open circuit or short
circuit
☆
6 times
X
E5
Evaporator coil temperature sensor T2 open circuit or
short circuit
☆
7 times
X
EC
Refrigerant leakage detection
☆
1 times
O
F0
Overload current protection
☆
2 times
O
F1
Outdoor ambient temperature sensor T4 open circuit or
short circuit
☆
3 times
O
F2
Condenser coil temperature sensor T3 open circuit or
short circuit
☆
4 times
O
F3
Compressor discharge temperature sensor T5 open
circuit or short circuit
☆
5 times
O
F4
Outdoor unit EEPROM parameter error
☆
6 times
O
F5
Outdoor fan speed has been out of control
☆
1 times
☆
P0
IPM malfunction or IGBT over-strong current protection
☆
2 times
☆
P1
Over voltage or over low voltage protection
☆
3 times
☆
P2
High temperature protection of compressor top
diagnosis and solution
☆
5 times
☆
P4
Inverter compressor drive error
O
(
light
)
X
(
off
)
☆(
flash
)
Содержание MSMBB-12CRDN1-MP0W
Страница 7: ...5 2 2 Part names of Indoor Outdoor units ...
Страница 9: ...7 For MSMBB 12CRDN1 MP0W For MSMBC 18CRDN1 MP0W For MSMBD 22CRDN1 MP5W ...
Страница 13: ...11 MOF1 22CDN1 MP5W ...
Страница 25: ...23 ...
Страница 32: ...30 MOF1 22CDN1 MP5W ...
Страница 36: ...34 9 2 3 Zero crossing detection error diagnosis and solution E2 ...
Страница 39: ...37 supply or 50V 115V power supply the PCB must has problems and need to be replaced ...
Страница 45: ...43 P W N U ...
Страница 46: ...44 N V N W ...