Samsung AC250KNHPKH - E403: Freezing Control Causes Comp. down

4-22 Samsung Electronics
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Check the indoor fan.
Check the EEV.
Same as when checking other temp sensors.
Check for clogging in the suction area of the
indoor machine.
The indoor FAN/MOTOR operates normally?
The indoor EEV operates normally?
The indoor heat Exchanger sensor displays the
temperature ok?
4-3-13 E403 : Freezing control causes comp. down
Outdoor unit display E403
Criteria
•Alltheoperatingindoormachinesdonotreach-4°Cformorethanfiveminutes
Cause of problem
•CheckiftheindoorFAN/MOTORoperatesnormally.
•CheckiftheindoorEEVoperatesnormally.
•ChecktheindoorheatExchanger'sIN/OUTsensor.
•Checkforclogginginthesuctionareaoftheindoormachine.
1. How to check