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