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Abnormal conditions
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
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
Error of float switch
Error of setting option switches for
optional accessories
EEPROM error
EEPROM option error
Flickering X Off
On
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.
Indicators
X
X
X
X
X
X
X
X
X
X
X
Remarks
Displayed on appropriate
indoor unit which is
operating
Displayed on outdoor unit
Displayed on appropriate
indoor unit which is
operating
Displayed on outdoor unit
X
27
E-
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