E-
34
Troubleshooting (Continued)
LED Display
Abnormal conditions
Indicators
Remarks
Concealed Type
Green
Red
Standard Type
Communication error between indoor units
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 6th detection
of freezing
X
X
Detection of the float switch
X
X
Error of setting option switches for
optional accessories
X
X
X
EEPROM error
X
X
EEPROM option error
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
On Flickering X Off