Samsung UH052EAMC, Service Manual, Page: 15 / 126

Samsung Electronics 3-1
3. Alignment and Adjustments
3-1 Indoor Display Error and Check Method

Error detection and reoperation

If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.

When reoperating by remote control and switch determine the error mode after normal operation.


Indoor unit LED lamp display at error detecting
Abnormal conditions
LED lamp display
Remarks
Green Red Yellow Green Orange
Power reset
◑ X X X X
Error of temperature sensor
in the indoor unit (Open/Short)
X X ◑ X X
Error of heat exchanger sensor
in the indoor unit
◑ X ◑ X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
◑ X X ◑ X
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. 2'nd detection of high temperature cond
4. 2'nd detection of high temperature discharge
5.Error of reverse phase
6.Compressor down due to 6'th detection of freezing
X X ◑ ◑ ◑
Detection of the float switch
X X X ◑ ◑
Error of setting option switches for optional
accessories
X X ◑ X ◑
● :
On
◑ :
Flickering
X:
OFF
 If you turn off the air conditioner when the LED is flickering, the LED is also turned off.