Samsung CH070EAV1, Service Manual

Page: 44 / 142

4-4 Samsung Electronics
No.
LED Display
Explanation Error Code
Yellow Green Red
1
○ ○ ○
Power off/ VDD NG -
2
○ ○ ◎
IPM Over Current(O.C)
3
○ ○ ●
Abnormal Serial communication/
Power Cable Miss Connection
○ ● ●
4
○ ◎ ○
Compressor Starting error
5
○ ◎ ●
Normal Operation -
6
○ ● ○
Compressor Lock error
7
○ ● ◎
DC-Link voltage under/over error
8
◎ ○ ◎
Outdoor temperature sensor error
9
◎ ○ ●
Discharge over temperature
10
◎ ◎ ○
Discharge temperature sensor error
11
◎ ◎ ●
Current sensor error
12
◎ ● ○
Compressor Limit error
13
◎ ● ◎
Coil temperature sensor error
14
◎ ● ●
1min. Time out Communication
15
● ○ ○
Fan error
(FAN1)
(FAN2)
16
● ○ ◎
OTP error
17
● ○ ●
Compressor rotation error
18
● ◎ ○
Operation condition secession
(Heating)
(Cooling)
19
● ◎ ◎
DC-Link voltage sensor error
20
● ◎ ●
I_Trip error
21
● ● ○
GAS Leak error
22
● ● ◎
Power Cable miss connection
23
● ● ●
Power ON reset(1sec) -
24
◎ ○ ○
Capacity miss match
25
○ ◎ ◎
Test Operation at Cooling Mode -
26
◎ ◎ ◎
Test Operation at Heating Mode -
● :
LED ON,
○ :
LED OFF,
◎ :
LED BLINK
4-2 Outdoor LED Error Display and Check Method