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Troubleshooting
LED Display
Abnormal conditions
Indicators
Operating
Green
Red Yellow Green Orange
MH
✴✴✴
FSBA
MH
✴✴✴
FMBA
1. 2
nd
detection of refrigerant completely leak
2. 2
nd
detection of high temperature COND
3. 2
nd
detection of high temperature DISCHARGE
4. Compressor down due to 6th detection of
freezing
X
X
Displayed on appropriate
indoor unit which is
operating Displayed on
outdoor unit
Error of float switch
X
X
X
Error of setting option switches for optional
accessories
X
X
X
EEPROM error
X
X
EEPROM option error
●
On
Flickering
X Off
f
f
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
FJM IDU-PH_Cassette type_IM_31595A-04_EN.indd 24
2015-11-16 오후 4:52:24