If there is any abnormal condition detected, BRC51D controller will blink the error code. The format
for the error code will be as following:
For Inverter Only
ERROR
CODE
00
Normal
A1
Indoor PCB Error
A3
Drain Pump Abnormal
A5
Antifreeze (Cooling)/Heat Exchanger Overheat (Heating)
A6
Indoor Fan Motor Abnormal
AH
Electrical Air Cleaner Abnormal
C4
Indoor Heat Exchanger (1) Thermistor Short/Open
C5
Indoor Heat Exchanger (2) Thermistor Short/Open
C7
Louver Limit Switch Error
C9
Indoor Room Thermistor Short/Open
E1
Outdoor PCB Error
E3
High Pressure Protection
E4
Low Pressure Protection
E5
Compressor Motor Lock/Compressor Overloaded
E6
Compressor Start-Up Error
E7
Outdoor DC Fan Motor Lock
E8
AC Input Over Current
E9
EXV Error
EA
4 Way Valve Error
F3
Discharge Pipe Overheat
F6
Heat Exchanger Overheat
HO
Compressor Sensor System Error
H3
High Pressure Switch Error
H6
Compressor Feedback Detection Error
H7
Fan Motor Overloaded/Overcurrent/Sensor Abnormal
H8
AC Current Sensor Error
H9
Outdoor Air Thermistor Short/Open
J1
Pressure Sensor Error
J3
Compressor Discharge Pipe Thermistor Short/Open/Misplaced
J5
Suction Pipe Thermistor Short/Open
J6
Outdoor Heat Exchanger Thermistor Short/Open
ERROR INDICATOR
NOTE
– The LED will blink if error occurred.
11
MEANING