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LED Display
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. 2nd detection of high temperature COND
4. 2nd detection of high temperature DISCHARGE
5. Error of reverse phase
6. Compressor down due to 6th detection of
freezing
Error of float switch
Error of setting option switches for optional accessories
EEPROM error
EEPROM option error
●
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 detect an error again.
Indicators
Green
Red
X
X
X
X
X
X
X
X
X
Operating
Displayed on appropriate indoor
unit which is operating
Displayed on outdoor unit
X
21
E-
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