Error Display - Fujitsu Comfort Series Service Manual

1 ERROR DISPLAY

1-1 HYDRAULIC UNIT DISPLAY
DIP SW
ON OFF
figure 1 - Location of DIP switches and diodes
on the hydraulic unit interface card
LED display
LED 2 (green) LED 1 (red)
1 1
2 3
3 2
4 2
6 2
6 3
6 5
7 1
7 2
7 3
7 4
7 7
7 8
8 4
8 6
9 4
9 5
9 7
10 1
10 3
10 5
10 12
1 ~ 12 : 1~ 12 Times Blinking
Interface card
LED2
(green)
LED1
(red)
Error contents
Serial communication error
Combination error
UART communication error
Hydraulic unit heat exchanger thermistor error
Outdoor unit main PCB error
Inverter PCB error
IPM error
Discharge thermistor error
Compressor thermistor error
Outdoor unit heat exchanger thermistor error
Outdoor thermistor error
Heatsink thermistor error
Electric expansion valve thermistor error
Current sensor error
Pressure sensor error
Trip detection
Compressor motor control error
Outdoor unit fan motor error
Discharge temperature error
Compressor temperature error
Pressure error
Heatsink temperature error
03-01
Troubleshooting
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