Fujitsu Waterstage Split Comfort 5 Series - Faults in the Outdoor Unit

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Faults in the outdoor unit
■ Hydraulic unit: Flashing of the diode visible on the interface board.
Error
Interface Board
Error designation (models 5, 6 and 8) Error designation (model 10)
LED
Green
LED
Red
11 1 1 Serial communication error
23 2 3 Combination Error
32 3 2 UART communications error
42 4 2 Hydraulic unit heat-exchange thermistor error
62 6 2 Outdoor unit main PCB error
63 6 3 - Inverter error
65 6 5 Outdoor unit IPM error
71 7 1 Discharge thermistor error
72 7 2 Compressor thermistor error
73 7 3
- Heat-exchange thermistor error (centre)
Heat-exchange thermistor error (outlet) Heat-exchange thermistor error (outlet)
74 7 4 Outdoor thermistor error
77 7 7 - Heat sink thermistor error (P.F.C.)
78 7 8 Expansion valve thermistor error
84 8 4 Current sensor error
86 8 6 Pressure sensor error / Pressure switch error
94 9 4 Current tripped (permanent stoppage)
95 9 5
Detection of compressor position error
(permanent stoppage)
Compressor motor control error (permanent
stoppage)
97 9 7 Outdoor unit fan motor error
A1 10 1 Discharge temperature protection (permanent stoppage)
A3 10 3 Compressor temperature protection (permanent stoppage)
A5 10 5 Low pressure abnormal Pressure error
AC 10 12 - Outdoor unit radiator temperature error
Waterstage Split Comfort DHW Serie / INSTALLATION / 2125 - EN