Outdoor Unit - Samsung AF28FVSDA N Series Service Manual

4-2-2 Outdoor unit

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