83
16.1 Indoor Unit Error Display
Operation
lamp
Timer lamp Display LED STATUS
☆ 1 time
X
E0 Indoor unit EEPROM parameter error
☆ 2 times
X
E1
Communication malfunction between indoor and
outdoor units
☆ 4 times
X
E3 Indoor fan speed has been out of control
☆ 5 times
X
E4 Indoor room temperature sensor (T1 ) malfunction
☆ 6 times
X
E5 Evaporator coil temperature sensor (T2) malfunction
☆ 7 times
X
EC Refrigerant leakage detection
☆ 8 times
X
EE Water-level alarm malfunction
☆ 1 time
O F0 Current overload protection
☆ 2 times O F1 Outdoor ambient temperature sensor (T4 ) malfunction
☆ 3 times
O
F2 Condenser coil temperature sensor (T3) malfunction
☆ 4 times
O
F3
Compressor discharge temperature sensor (T5)
malfunction
☆ 5 times
O
F4 Outdoor unit EEPROM parameter error
☆ 6 times
O
F5 Outdoor fan speed has been out of control
☆ 7 times
O F6
Indoor coil outlet pipe sensor(Located on outdoor unit
low pressure valve)
☆ 8 times
O F7
Communication malfunction between Cassette optional
lift panel and the unit
☆ 9 times
O F8 Cassette optional lift panel malfunction
☆ 10 times
O F9 Cassette optional lift panel not closed
☆ 1 times ☆
P0 Inverter module (IPM) malfunction
☆ 2 times ☆
P1 Over-voltage or under-voltage protection
☆ 3 times ☆
P2 Compressor top high temperature protection (OLP)
☆ 4 times ☆
P3 Low ambient temperature cut off in heating
☆ 5 times ☆
P4 Compressor drive malfunction
☆ 6 times ☆
P5 Indoor units mode conflict
☆ 7 times ☆
P6 Low pressure protection
☆ 8 times ☆
P7 Outdoor IPM temperature sensor error
O(light) X(off) ☆(flash)