Samsung JH052EAV1 Service Manual page 35

4-2 Item to check before diagnosis
If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED.
If you re-operate the air conditioner, it operates normally at first, then detect an error again.
4-2-1 Display Error mode
Abnormal conditions
Power reset
Error of temperature sensor
in the indoor unit (Open/Short)
Error of heat exchanger sensor
in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
1. Indoor and outdoor unit time out
2. Abnormal data reception more than 60 packet
3. Indoor unit is not connected
4. Communication error between the outdoor
unit Main-Inverter Micom(After 1 minute of
Main-Inverter detection)
On Flickering X Off
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
4-9
LED lamp display
White
X X
X X
X
X X
X X
Remarks
X X
X X
X X
X
1. Indoor unit error
(Display is unrelated with
operation)
X
2. Outdoor unit error
(Display is unrelated with
operation)
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