Outdoor Unit Display; Error Display Method; Normal Operation Display - Fujitsu AB Series A18LATN Service Instruction

7-1-2 OUTDOOR UNIT DISPLAY

1. ERROR DISPLAY
1-1. For AB*A18L/ 24L (AO*A18L/ 24L)
Discharge temperature
IPM error
CT error
Compressor rotor location cannot detect
Outdoor unit sensor error
(Discharge or Outdoor or Heat EX(In)(Out))
Outdoor unit fan motor error
Compressor temperature
PFC circuit error
1-2. For AB*A36L/ 45L (AO*A36L/ 45L)
Outdoor communication signal error
(Forward transfer signal error)
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger
temperature(outlet) sensor error
Outdoor temperature sensor error
Outdoor heat exchanger
temperature(middle) sensor error
Discharge temperature
Compressor temperature sensor
Heat sink temperature sensor
Pressure switch abnormal
Compressor temperature
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)
1-2-1.

ERROR DISPLAY METHOD

Outdoor LED Blink (1 to 16 times) 0.5sec ON / 0.5sec OFF blinking
0.5sec
ON
OFF
1-2-2.

NORMAL OPERATION DISPLAY

Operation
Normal operation
Protected operation
Pump down operation
Error contents
error
error
Error contents
error
error
error
error
0.5sec 2sec
LED Blinking Pattern
5sec ON / 1sec OFF
1sec ON / 1sec OFF
LED Flashing Pattern
Continuously lighting
0.5sec ON / 0.5sec OFF
2sec ON / 2sec OFF
0.1sec ON / 2sec OFF
0.1sec ON / 0.1sec OFF
5sec ON / 5sec OFF
2sec ON / 5sec OFF
5sec ON / 2sec OFF
LED Flashing
Pattern
1 time flash
2 times blink
3 times blink
4 times blink
5 times blink
6 times blink
7 times blink
8 times blink
9 times blink
10 times blink
12 times blink
13 times blink
14 times blink
15 times blink
16 times blink
OFF
07-03
Trouble
shooting
9
15
16
18,30
5,7,8,26
19
27
23
Display Trouble
priority shooting
12
1
8
2
3 5
4 7
5
26
9
6
13
7
29
8
14
9
27
10
11 15
18
12
13 30
14
19
15