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8.3.3 Outdoor unit error display
Display
Error
E0 Outdoor unit EEPROM parameter error
F4
E2 Communication malfunction between indoor and outdoor units
E1
E3
Communication malfunction between IPM board and outdoor main
control board
E4
Outdoor temperature sensor (coil sensor T3,ambient sensor T4,
Compressor discharge sensor T5、indoor coil outlet pipe sensor T2B)
malfunction
F2/F1/F3/F6
E5 Over-voltage or under-voltage protection
P1
E6 PFC module protection
E8 Outdoor fan speed malfunction
F5
F1 No. A Indoor unit coil outlet temp. sensor malfunction
——
F2 No. B Indoor unit coil outlet temp. sensor malfunction
——
F3 No. C Indoor unit coil outlet temp. sensor malfunction
——
F4 No. D Indoor unit coil outlet temp. sensor malfunction
——
F5 No. E Indoor unit coil outlet temp. sensor malfunction
——
F6 No. F Indoor unit coil outlet temp. sensor malfunction
P1 High pressure protection
P2
P2 Low pressure protection
P2
P3 Current overload protection
F0
P4 Temperature protection of compressor discharge
P5 Condenser high temperature protection
P6 Inverter module (IPM) malfunction P0
LP Low ambient temperature protection
——
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