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
7
8
9
11
12
13
14
15
Outdoor heat exchanger
temperature(outlet) 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
10 times blink
10
Compressor temperature error
Compressor temperature error
Heat sink temperature sensor error
Operation LED Blinking Pattern
Normal operation OFF
5sec ON / 1sec OFF
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
Continuously lighting
Protected operation
1sec ON / 1sec OFF
Pump down operation
0.5sec 0.5sec 2sec
ON
OFF
1. ERROR DISPLAY
Outdoor LED Blink (1 to 16 times) 0.5sec ON / 0.5sec OFF blinking
7-1-2 OUTDOOR UNIT DISPLAY
12
8
5
5 times blink
5
Outdoor heat exchanger
temperature(middle) sensor error
7
13
26
9
6 times blink
6
Discharge temperature error
Discharge temperature error
29
14
27
15
18
30
19
Outdoor unit fan motor error
19
Error contents
LED Flashing Pattern
Trouble
shooting
Outdoor unit sensor error
(Discharge or Outdoor or Heat EX(In)(Out))
IPM error
Compressor rotor location cannot detect
15
9
5,7,8,26
27
23
CT error
16
18,30
1-1. For AB*A18L/ 24L (AO*A18L/ 24L)
1-2. For AB*A36L/ 45L (AO*A36L/ 45L)
1-2-1. ERROR DISPLAY METHOD
1-2-2. NORMAL OPERATION DISPLAY
PFC circuit error
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