Service manual

1
GB
Fault display of indoor unit:
Fault Display
Communicate fault F1
Fan motor fault F4
Room temp. sensor fault F2
Temp. sensor of coil pipe outlet fault F3
Temp. sensor of coil pipe entrance fault F3
Temp. sensor of coil pipe middle fault
F3
Fault display of outdoor unit:
Fault Display
Transducer module protection P2
Over current P3
Discharge temperature of compressor
overheat, ambient temperature overheat
P4
DC voltage of outdoor unit abnormal P7
Leakage or reverse valve fault P8
Outdoor sensor fault F6
Compressor drive fault FC
Test Model
1.Cooling
Condition Entering Method
label Capacity Pressing Tubro for 5 times+Setting temp.77
O
F
A2 Pressing Tubro for 5 times+Setting temp.75
O
F
B2 Pressing Tubro for 5 times+Setting temp.73
O
F
B1 Pressing Tubro for 5 times+Setting temp.71
O
F
F1 Pressing Tubro for 5 times+Setting temp.69
O
F
EV Pressing Tubro for 5 times+Setting temp.67
O
F