Outdoor unit error display
YN020GMFI22M2D, YN030GMFI22M3D, YN040GMFI22M4D, YN050GMFI22M5D,
Display LED STATUS New indoor 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
P6
P2 Low pressure protection
P6
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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