Samsung AF28FVSDA N Series - Outdoor Unit

Troubleshooting
Samsung Electronics 4-5
Error indicator
LED
Error type
Yellow Green Red
○ ◎ ●
Indoor unit pipe entrance temperature sensor is detached
○ ◎ ●
Indoor unit pipe exit temperature sensor is detached
○ ◎ ●
Indoor unit Tracking Error
◎ ● ●
Indoor unit normal operation communications error
○ ○ ●
Outdoor unit PBA communications error
◎ ○ ◎
External Out temperature sensor error
◎ ● ◎
External Cond temperature sensor error
○ ◎ ●
Self-diagnosis – external Cond temperature sensor is detached
◎ ◎ ○
External Discharge temperature sensor error
○ ◎ ●
Self-diagnosis – external Discharge temperature sensor is detached
○ ◎ ●
External OLP temperature sensor error
○ ◎ ●
Internal defrost protection control
○ ◎ ●
Internal overload protection control
◎ ○ ●
External Discharge protection control
○ ◎ ●
Self-diagnosis – open EEV
● ◎ ○
Prohibit cooling maneuver
● ◎ ○
Prohibit heating maneuver
● ○ ○
Problematic Outdoor unit FAN Motor error
○ ◎ ○
Problematic compressor maneuver operation error
● ◎ ●
Electric current protection control
○ ◎ ●
Outdoor unit OLP protection control
○ ○ ◎
Compressor electric current overload error
◎ ● ○
Compressor abnormal error
○ ● ◎
Problematic external controller internal voltage error
● ○ ●
Compressor wire connection error
◎ ◎ ●
Problematic compressor electric current sensor error
● ◎ ◎
Problematic external controller internal voltage sensor error
● ◎ ●
EEPROM error
● ● ◎
Problematic Outdoor unit power frequency error
○ ◎ ◎
Problematic radiator temperature sensor error
○ ● ◎
AC overvoltage protection
◎ ◎ ●
Problematic external controller incoming current sensor error
◎ ● ●
Radiator overheating error
● ● ○
Refrigerant leakage error
Normal operation
○ ◎ ●
● :
On
, ○ :
Off
, ◎ :
Blinking
4-2-2 Outdoor unit