Samsung SH12BWHAX - Error Mode Display of Outdoor Unit Board

Troubleshooting
Samsung Electronics20
6-2-2 Error mode display of outdoor unit board
Power Off / VDD NG
Comp. Peak Current (O.C.)
Communication NG
Comp. Starting error
Heatsink sensor error
Normal Operation
DC-Iink overvoltage error
4-Way valve error
Heatsink Temp. trip
Outdoor Sensor error(Open/Short)
Discharge sensor temp. trip
Discharge sensor error(Open/Short)
OLP sensor error(Open/Short)
CT sensor error
Unit Over Current protection
Deice sensor error(Open/Short)
OLP sensor temp. trip
OPTION error (EEPROM)
Compressor rotation error
DC fan error (SH12BWHX only)
DC-Link voltage sensor error
PFC OC error
NO GAS error
AC Line zero-crossing error
YELLOW GREEN RED
LAMP of Display Monitor
Description
: Lamp on : Lamp flickering X : Lamp off
XXX
XX
XX
XX
X
X
X
X
XX
X
X
X
X
X
X
X
X
ULN2003
RED
GRN
YEL
DB98_19047A(1)_1 4/21/04 2:27 PM Page 20