E-
18
Detection of errors
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.
LED Display
LED Display on the receiver & display unit
On Flickering X Off
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
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
Indoor and outdoor unit time out
Abnormal data reception more than 60
packet
Indoor unit is not connected
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)
Troubleshooting
