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Samsung Air Conditioner Error Codes

Troubleshooting guide for indoor unit error codes on Samsung air conditioning systems.

Inverter Model Error Codes

Error Display	Error Code	Lamp Operation (times)	Timer Lamp	Error Description
E0	EH00	1	OFF	Indoor unit EEPROM error
E1	EH01	2	OFF	Indoor / Outdoor unit communication error
E2	EH02	3	OFF	Zero-crossing signal detection error (for some models)
E3	EH03	4	OFF	The indoor fan speed is operating outside of the normal range
E4	EH60	5	OFF	Indoor room temperature sensor(T1) error (open or short)
E5	EH61	6	OFF	Evaporator coil temperature sensor(T2) error (open or short)
E7	EH0b	9	OFF	Communication error between Indoor PCB and Display PCB
EC	ELOC	7	OFF	Refrigerant leak detected
F0	PC08	1	ON	Current overload protection
F1	ECS3	2	ON	Outdoor room temperature sensor(T4) error (open or short)
F2	ECS2	3	ON	Condenser coil temperature sensor(T3) error (open or short)
F3	ECS4	4	ON	Compressor discharge temperature sensor(TP) error (open or short)
F4	ECS1	5	ON	Outdoor unit EEPROM error
F5	EC07	6	ON	Outdoor fan speed is out of normal range (for some models)
P0	PC00	1	FLASH	IPM malfunction or IGBT over-strong current protection
P1	PC01	2	FLASH	Over voltage or low voltage protection
P2	PC02	3	FLASH	Overheated IPM module
P4	PC04	5	FLASH	Inverter compressor drive error
P6	PC03	7	FLASH	Low pressure protection(for some models)

ON-OFF Model Error Codes

Error Display	New Error Code	Lamp Operation (times)	Timer Lamp	Error Description
E1	EH00	1	OFF	Indoor unit EEPROM error
E2	EH02	2	OFF	Zero-crossing signal detection error (for some models)
E3	EH03	3	OFF	The indoor fan speed is operating outside of the normal range
E5	EH60	4	OFF	Indoor room temperature sensor(T1) error (open or short)
E6	EH61	5	OFF	Evaporator coil temperature sensor(T2) error (open or short)
E7	EH0b	6	OFF	Condenser coil temperature sensor T3 or Outdoor room temperature sensor T4 error (open or short)
EC	ELOC	7	OFF	Refrigerant leak detected
E8	EC07	12	OFF	Outdoor fan speed is out of normal range (for 24K model)
E9	EL01	2	OFF	Indoor / Outdoor unit communication error

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