E403 : Freezing Control Causes Comp. Down - Samsung AC048KXQPCC Service Manual

4-3-6 E403 : Freezing control causes comp. down

Outdoor unit display
Criteria
Cause of problem
1. How to check
The indoor FAN/MOTOR operates normally?
The indoor EEV operates normally?
The indoor heat Exchanger sensor displays the
temperature ok?
Check for clogging in the suction area of the
indoor machine.
Samsung Electronics
E403
•All the operating indoor machines do not reach -4°C for more than five minutes
•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.
No
Yes
No
Yes
No
Yes
Check the indoor fan.
Check the EEV.
Same as when checking other temp sensors.
Troubleshooting
4-13