Compressor Down By Antifreeze Control (Error Code: E403) - Samsung AM036TXMDCH Service Manual

1) Check if the indoor fan/motor is working properly
2) Check if the indoor EEV is working properly
3) Check the indoor heat exchanger IN/OUT sensor
4) Check if the indoor air inlet blocked
Is the indoor fan/motor working properly?
Is the indoor EEV working properly?
the temperature correctly?
Check for indoor air inlet blockage
Samsung Electronics
Yes
Yes
Is the sensor on indoor
heat exchanger shows
Yes
No
Check the relevant indoor fan
No
Check the relevant EEV
No
Refer to temperature sensor error section
to check for error
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