4-4
Samsung Electronics
4-2 Things to check before diagnosis
4-2-1 Display Error mode
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.
Abnormal conditions
LED lamp display
Remarks
White
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
X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
X
X
X
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)
X
X
X
1. Indoor unit error
(Display is unrelated with
operation)
2. Outdoor unit error
(Display is unrelated with
operation)
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
On Flickering X Off
