36
Troubleshooting
Abnormal conditions
Indicators
Operating
Concealed Type
Green
Red
Standard Type
Self-diagnostic error (including the indoor unit
not detected)
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. Breakaway of EVA OUT sensor
4. Breakaway of EVA IN sensor
Displayed on appropriate
indoor unit which is
operating
Displayed on outdoor unit
5. Breakaway of COND MID sensor
6. 2nd detection of refrigerant completely leak
7. 2nd detection of high temperature COND
8. 2nd detection of high temperature
DISCHARGE
9. COMP DOWN due to 2nd detection of low
pressure switch
10. Error of reverse phase
11. Compressor down due to 6th detection of
freezing
12. Self-diagnosis of condensation sensor
(G8, G9)
13. Compressor down due to condensation
ratio control
Displayed on appropriate
indoor unit which is
operating
Displayed on outdoor unit
Error of float switch
Error of setting option switches for optional
accessories
EEPROM error
EEPROM option error
●
On
Flickering
Off
X
f
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
X
f
If you re-operate the air conditioner, it operates normally at first, then detect an error again.
Big Duct_IBIM_E_33766-3.indd 36
2012-01-13 오후 9:40:35
