Outdoor Unit Display - Fujitsu AR 18LUAD Series Service Instruction

7-1-2 OUTDOOR UNIT DISPLAY

1. ERROR DISPLAY
For AR*18LUAD/ 24LUAN (AO*18/ 24LMAKL)
Error contents
Outdoor communication signal error
(Forward transfer signal error)
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor error
Outdoor temperature sensor error
Pressure switch abnormal
IPM error
CT error
Compressor rotor location cannot detect
Compressor Start-up error
For AR*30L/ 36L/ 45L/ 54L (AO*30L/ 36L/ 45L/ 54L)
Error contents
Outdoor communication signal error
(Forward transfer signal error)
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor error
Outdoor temperature sensor error
Compressor temperature sensor
Heat sink temperature sensor
Pressure switch abnormal
IPM error
Compressor rotor location cannot detect
Compressor Start-up error
Outdoor unit fan motor error (upper fan)
Outdoor unit fan motor error (lower fan)
2. ERROR DISPLAY METHOD
Outdoor LED Blink (1 to 16 times) 0.5sec ON / 0.5sec OFF blinking
0.5sec
ON
OFF
3. NORMAL OPERATION DISPLAY
Operation
Normal operation
Protected operation
Pump down operation
error
error
0.5sec 2sec
LED Blinking Pattern
Continuously lighting
5sec ON / 1sec OFF
1sec ON / 1sec OFF
07-03
Display
LED Flashing
priority
Pattern
1
1 time flash
2
2 times blink
3
3 times blink
4
4 times blink
5
8 times blink
6
10 times blink
7
11 times blink
8
12 times blink
13 times blink 9
Display
LED Flashing
priority
Pattern
1
1 time flash
2
2 times blink
3
3 times blink
4
4 times blink
5
7 times blink
6
8 times blink
7
9 times blink
8
12 times blink
13 times blink
9
10
14 times blink
11
15 times blink
16 times blink 12
Trouble
shooting
11
8
5
7
13
14
15
17
20
Trouble
shooting
11
8
5
7
12
19
13
14
17
20
18