Indoor Unit Error Display - Fisher FSAI-SU-92AE2 Service Manual

8.1 Indoor Unit Error Display

Display
E0
E1
E3
E4
E5
EC
F0
F1
F2
F3
F4
F5
P0
P1
P2
P4
LED STATUS
Indoor unit EEPROM parameter error
Indoor / outdoor units communication error
Indoor fan speed has been out of control
Indoor room temperature sensor T1 open circuit or short
circuit
Evaporator coil temperature sensor T2 open circuit or
short circuit
Refrigerant leakage detection
Overload current protection
Outdoor ambient temperature sensor T4 open circuit or
short circuit
Condenser coil temperature sensor T3 open circuit or
short circuit
Compressor discharge temperature sensor T5 open
circuit or short circuit
Outdoor unit EEPROM parameter error
Outdoor fan speed has been out of control
IPM malfunction or IGBT over-strong current protection
Over voltage or over low voltage protection
High temperature protection of IPM module or
compressor top
Inverter compressor drive error
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