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Outdoor unit error code explanation:
9.2
Display
E0
Outdoor EEPROM malfunction
E2
Indoor / outdoor units communication error
E3
Communication malfunction between IPM board and outdoor main board
E4
Open or short circuit of outdoor unit temperature sensor
E5
Voltage protection
E6
PFC module protection (For FS4MIF-280AE2,FS4MIF-360AE2,FS5MIF-360AE2)
E8
Outdoor fan speed has been out of control
F1
No A Indoor unit coil outlet temperature sensor or connector of sensor is defective
F2
No B Indoor unit coil outlet temperature sensor or connector of sensor is defective
F3
No C Indoor unit coil outlet temperature sensor or connector of sensor is defective
F4
No D Indoor unit coil outlet temperature sensor or connector of sensor is defective
F5
No E Indoor unit coil outlet temperature sensor or connector of sensor is defective
High pressure protection (For FS4MIF-280AE2,FS4MIF-360AE2,FS5MIF-360AE2)
P1
P2
Low pressure protection (For FS4MIF-280AE2,FS4MIF-360AE2,FS5MIF-360AE2)
P3
Current protection of compressor
P4
Temperature protection of compressor discharge
P5
High temperature protection of condenser
P6
IPM module protection
Note: Once these error codes display, they will disappear in at least 30 seconds if the unit come back to
normal.(Except E3&E4)
LED STATUS
33
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