22
8.3 LED error code display for outdoor unit
Display
LED STATUS
E0
EEPROM error
E1
No 1 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E2
No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E3
No 3 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E6
No 4 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E4
Outdoor temp. sensor or connector of temp. sensor is defective
E5
Compressor volt protection
E7
Communication error
between outdoor IC and DSP
P0
Compressor discharge temp. protection
P1
High pressure protection (just for 36K 1x4 units.)
P2
Low pressure protection (just for 36K 1x4 units.)
P3
Compressor current protection
P4
Inverter module protection
P5
Outdoor temp. too low protection
P6
Condenser high-temperature protection
P7
Compressor driving protection
PF
PFC protection
8.4 Troubleshooting
8.4.1 Indoor unit trouble shooting
Indoor unit display
LED STATUS
E0
EEPROM error
Indoor unit display
LED STATUS
E1
outdoor communication error
Circuit or software error on indoor
PCB
Replace indoor PCB
Содержание M2OC-18HRDN1-M
Страница 6: ...6 b M4OC 36HRDN1 M ...
Страница 10: ...10 6 Wiring Diagram 6 1 Indoor unit 9k 12k ...
Страница 11: ...11 6 2 Outdoor unit M2OC 18HRDN1 M 6 3 Outdoor unit M3OC 27HRDN1 M ...
Страница 12: ...12 6 4 Outdoor unit M4OC 36HRDN1 M ...