Troubleshooting
E-
28
Detection of errors
◆
If an error occurs during the operation, an 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 on the receiver & display unit
LED Display
Remark
Indicators
Abnormal conditions
Green
Red
Concealed Type
Standard Type
●
On Flickering X Off
◆
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
◆
If you re-operate the air conditioner, it operates normally at first, then detects an error again.
1. Indoor unit error
(Display is unrelated with
operation)
2. Outdoor unit error
(Display is unrelated with
operation)
Power reset
Error of temperature sensor in indoor unit
(OPEN/SHORT)
Error of heat exchanger sensor in
indoor unit
Error of outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
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
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
EH035EAV_IM_E_25807 3/24/06 7:21 PM Page 28
