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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
8.3 Outdoor Unit Display
8.3.1 Outdoor Unit Point Check Function
A check switch is included on the outdoor PCB.
Push SW1 to check the unit's status while running. The digital display shows the following
codes each time the SW1 is pushed.
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