Samsung AQ18VBA Service Manual page 54

3-2 Indoor Display Error and Check Method
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3-2
LED Display
IPM Over Current(O.C)
Compressor Starting Error
Compressor Lock Error
DC-Link voltage under/over Error
Outdoor temperature sensor Error
Discharge over temperature
Discharge temperature sensor Error
Current sensor Error
Compressor Vlimit Error
Coil temperature sensor Error
1min. Time out Communication
Fan Error
OTP Error
Compressor Rotation Error
/
Operation condition secession
(Low/High)
DC-Link valtage sensor Error
I_Trip error / PFC Over current
Gas Leak Error
AC Line Zero Cross Signal out
Capacity Miss-match
Room sensor Error
In-coil sensor Error
FAN Error
1min. Time out Communication
MPI Error
All Lamps Blink EEPROM Error
All Lamps Blink Option Error
Explanation
Open/Short
Open/Short
Indoor Fan Motor Abnormal Operation
Holding for 15 sec. at less than 450rpm
Option Not Set up, Option Data Error
Explanation
Samsung Electronics