Samsung AQ18VBA Service Manual page 55

3-3 Outdoor LED Error Display and Check Method
LED Display
No.
Yellow
○
1
○
2
○
3
○
○
4
○
5
○
6
○
7
◎
8
◎
9
◎
10
◎
11
◎
12
◎
13
◎
14
●
15
●
16
●
17
●
18
●
19
●
20
●
21
●
22
◎
23
Samsung Electronics
Green Red
○ ○
○ ◎
○ ●
● ●
◎ ○
◎ ●
● ○
● ◎
○ ◎
○ ●
◎ ○
◎ ●
● ○
● ◎
● ●
○ ○
○ ◎
○ ●
◎ ◎
◎ ●
● ○
● ◎
● ●
○ ○
Power off/ VDD NG
IPM Over Current(O.C)
Abnormal Serial communication
Compressor Starting error
Normal Operation
Compressor Lock error
DC-Link voltage under/over error
Outdoor temperature sensor error
Discharge over temperature
Discharge temperature sensor error
Current sensor error
Compressor limit error
Coil temperature sensor error
1min. Time out Communication
Fan error
OTP error
Compressor rotation error
DC-Link voltage sensor error
I_Trip error / PFC Over current
GAS Leak error
AC Line Zero Cross Signal out
Power ON reset(1sec)
Capacity miss match
Explanation
● : LED ON, ○ : LED OFF, ◎ : LED BLINK
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