Samsung AVMBH020CA0 Installation Manual page 23

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. 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
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
Concealed Type
Blue Red
Standard Type
X X
X X
X X X
X X X
X
Operating
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
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