Fujitsu WGYA050DG6 Design & Technical Manual page 122

Ref 3 Functions
Hydraulic unit : Flashing of the LED visible on the interface card.
LED display
LED 2 (green) LED 1 (red)
1 Flash 1 Flash
2 Flashes 3 Flashes
3 Flashes 1 Flash
3 Flashes 2 Flashes
4 Flashes 1 Flash
4 Flashes 2 Flashes
6 Flashes 1 Flash
6 Flashes 2 Flashes
6 Flashes 3 Flashes
6 Flashes 4 Flashes
6 Flashes 5 Flashes
6 Flashes 7 Flashes
6 Flashes 8 Flashes
7 Flashes 1 Flash
7 Flashes 2 Flashes
7 Flashes 3 Flashes
7 Flashes 4 Flashes
7 Flashes 7 Flashes
7 Flashes 8 Flashes
8 Flashes 4 Flashes
8 Flashes 6 Flashes
9 Flashes 4 Flashes
9 Flashes 5 Flashes
9 Flashes 7 Flashes
9 Flashes 8 Flashes
10 Flashes 1 Flash
10 Flashes 3 Flashes
10 Flashes 4 Flashes
10 Flashes 5 Flashes
10 Flashes 9 Flashes
Continuous flashing (1 sec On / 1
sec Off)
Off
Continuous
lighting
- Definitions
Error contents
Communication error between Hydraulic unit and Outdoor unit.
Connection forbidden (series error).
Indoor unit power supply abnormal.
Serial communication error between Controller /Interface PCBs.
Heat pump capacity signal error (Open or short).
Hydraulic unit heat-exchange thermister error.
Outdoor unit power supply abnormal.
Outdoor unit main PCB error.
Inverter error.
Active filter error.
Outdoor unit IPM error.
Outdoor unit power short interruption error (protective operation).
Outdoor unit magnetic relay error.
Discharge thermister error.
Compressor thermister error.
Heat-exchange thermistor (outlet / intermediate) error.
Outdoor thermistor error.
Outdoor unit heat sink temp. thermistor error.
Expansion valve thermistor error.
Current sensor error.
Pressure sensor error / Pressure switch error.
Current trip.
Detection of compressor position error. / Compressor start up error.
Outdoor unit fan motor 1 error.
Outdoor unit fan motor 2 error.
Discharge temperature protection.
Compressor temperature protection.
Outdoor unit pressure error.
Low pressure abnormal.
Current overload error.
Pump down operation.
Defrosting.
- Information concerning maintenance, special mode.
- (CS01 - 06) - - (CS01 - 06) -
Control system