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8.3.3 Outdoor unit error display
Display
E0
Outdoor unit EEPROM parameter error
E2
Communication malfunction between indoor and outdoor units
Communication malfunction between IPM board and outdoor main
E3
control board
Outdoor temperature sensor (coil sensor T3,ambient sensor T4,
E4
Compressor discharge sensor T5、indoor coil outlet pipe sensor T2B)
malfunction
E5
Over-voltage or under-voltage protection
E6
PFC module protection
E8
Outdoor fan speed malfunction
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
Low pressure protection
P3
Current overload protection
P4
Temperature protection of compressor discharge
P5
Condenser high temperature protection
P6
Inverter module (IPM) malfunction
LP
Low ambient temperature protection
LED STATUS
41
New indoor
Error
F4
E1
——
F2/F1/F3/F6
P1
——
F5
——
——
——
——
——
——
P2
P2
F0
——
——
P0
——
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