Samsung EH035CAV, Service Manual

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Operating Instructions and Installation
Samsung Electronics
No.
LED Display
Cause Follow-up Measures
Yellow Green Red
1
○ ○ ○
Power off/ VDD NG No error
2
○ ○ ◎
IPM Over Current(O.C) Refer to troubleshooting(12-2-11)
3
○ ○ ●
Abnormal Serial communication
If it lasts for 1 min, then turn into
No.14 Display
○ ● ●
4
○ ◎ ○
Compressor Starting error Refer to troubleshooting(12-2-13)
5
○ ◎ ●
Normal Operation It shows A/C operates well
6
○ ● ○
Compressor Lock error Refer to troubleshooting(12-2-14)
7
○ ● ◎
DC-Link voltage under/over error Refer to troubleshooting(12-2-15)
8
◎ ○ ◎
Outdoor temperature sensor
error(Dual/Single)
Refer to troubleshooting(12-2-16)
9
◎ ○ ●
Discharge over temperature
(Dual/Single)
Refer to troubleshooting(12-2-16)
10
◎ ◎ ○
Discharge temperature
sensor error(Dual/Single)
Refer to troubleshooting(12-2-16)
11
◎ ◎ ●
Current sensor error Exchange PCB
12
◎ ● ○
Compressor Limit error Exchange Comp
13
◎ ● ◎
Coil temperature sensor error
(Dual/Single)
Refer to troubleshooting(12-2-16)
14
◎ ● ●
1min. Time out Communication Refer to troubleshooting(12-2-12)
15
● ○ ○
Fan error Refer to troubleshooting(12-2-3,9)
16
● ○ ◎
OTP error Reset Option Code

Exchange PCB
17
● ○ ●
Compressor rotation error Exchange PCB

Exchange Comp
18
● ◎ ○
Operation condition secession
(Dual only)
Exchange PCB
19
● ◎ ◎
DC-Link voltage sensor error Refer to troubleshooting(12-2-10)
20
● ◎ ●
I_Trip error / PFC Over current Exchange Outdoor
21
● ● ○
GAS Leak error(Dual/Single) Recharge Gas
22
● ● ◎
AC Line Zero Cross Signal out Exchange PCB
23
● ● ●
Power ON reset(1sec) It shows A/C operates well
24
◎ ○ ○
Capacity miss match Reset Option Code
25
○ ◎ ◎
Test Operation at Cooling Mode
It shows only during the factory
production
26
◎ ◎ ◎
Test Operation at Heating Mode
● :
LED ON,
○ :
LED OFF,
◎ :
LED BLINK
3-2 Outdoor LED Error Display and Check Method
3-4
27578A(2)_contents.indd 15 2007-04-02 ¿ÀÀü 10:10:33
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