Outdoor Unit Display - Fujitsu ARU7RLF Service Instruction

2-1-3 OUTDOOR UNIT DISPLAY

1. ERROR DISPLAY
Error Contents
Serial communication error
(Outdoor unit to Indoor unit A)
Serial communication error
(Outdoor unit to Indoor unit B)
Serial communication error
(Outdoor unit to Indoor unit C)
Serial communication error
(Outdoor unit to Indoor unit D)
Discharge thermistor error
Heat ex. thermistor error
Outdoor thermistor error
2-way valve thermistor error
(for Indoor unit A)
2-way valve thermistor error
(for Indoor unit B)
2-way valve thermistor error
(for Indoor unit C)
2-way valve thermistor error
(for Indoor unit D)
3-way valve thermistor error
(for Indoor unit A)
3-way valve thermistor error
(for Indoor unit B)
3-way valve thermistor error
(for Indoor unit C)
3-way valve thermistor error
(for Indoor unit D)
Compressor thermistor error
Heat sink thermistor error
High pressure switch 1 error
High pressure switch 2 error
Indoor unit capactiy error
Over current error
Compressor control error
IPM error
Outdoor unit fan motor error
Outdoor unit PCB microcomputer
communication error
Discharge temp. error
Compressor temp. error
4-way valve error
Outdoor unit PCB model information
error
Active filter error
: Flashing
2. ERROR DISPLAY METHOD
Outdoor LED Blink (1 to 22 times) 0.5sec ON / 0.5sec OFF blinking
0.5sec
ON
OFF
LED1
1 time
OFF
OFF
OFF
2 times
3 times
4 times
5 times
OFF
OFF
OFF
6 times
OFF
OFF
OFF
7 times
8 times
9 times
10 times
11 times
12 times
13 times
14 times
15 times
17 times
18 times
19 times
20 times
21 times
22 times
0.5sec 2sec
02-03
LED2 LED3
OFF OFF
1 time
OFF
1 time
OFF
OFF
OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
5 times
OFF
5 times
OFF
OFF OFF
OFF OFF
6 times
OFF
6 times
OFF
OFF
OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
Trouble
LED4
shooting
OFF
OFF
2
OFF
1 time
16
OFF
OFF 18
19
OFF
OFF
OFF
20
OFF
5 times
OFF
OFF
21
OFF
6 times
OFF 17
22
OFF
OFF
23
OFF
4
OFF
24
OFF
25
OFF
15
OFF
26
OFF
13
OFF
28
OFF
29
OFF
27
OFF
13
OFF
14
OFF