Fujitsu Comfort Series Service Manual page 26

1 ERROR DISPLAY
1-1 HYDRAULIC UNIT DISPLAY
figure 1 - Location of DIP switch and diodes on the hydraulic unit card.
You can check the "Error LED blinks" when an error occurs.
Error Contents
Serial communication error
Combination error
Outdoor unit main PCB model
information error
Inverter error
PFC circuit error
Trip terminal L error
Discharge thermistor error
Compressor thermistor error
Heat exchanger outlet thermistor error
Interface card
DIP SW
ON OFF
Error
Trouble
Code shooting
11
23
62
63
64
65
71
72
73
LED2
(green)
LED1
(red)
Error Contents
Outdoor thermistor error
1,2
Electric expansion valve
3
thermistor error
Current sensor error
4
Pressure sensor error /
5
Pressure switch error
Trip detection
6
Compressor rotor position
7
detection error
8 Outdoor unit fan motor error
9
Discharge temperature error
10 Compressor temperature error
Low pressure error
03-01
Error
Trouble
Code shooting
74 11
12
78
84 13
86 14
94 15
95 16
97 17
A1 18
A3 19
A5 20