Samsung AC071MN4PKH - Compressor down Due to Freezing Control (Error Code: E403)

Troubleshooting
4-42
1. Test items
1) Check the normal operation of indoor Fan/Motor.
2) Check the normal operation of indoor EEV.
3) Check the IN/OUT sensor of indoor heat exchanger.
3) Check the clogging of indoor air inlet part.
2. Check procedure
4-4-14. Compressor down due to freezing control (Error Code : E403)
Is the indoor Fan/Motor normal operation?
Is the sensor on indoor heat exchanger
display the temperature correctly?
Check the clogging of indoor air inlet part.
Check the relevant indoor Fan
No
Ye s
Ye s
No
Refer to other temperature sensor error
section to check for error.