Samsung AC200KNHPKH - E463: OLP Protection Control Caused Comp. down

4-28 Samsung Electronics
4-3-19 E463 : OLP protection control caused comp. down
Outdoor unit display E463
Criteria
•OLPSENSORtempaboveTrip_Dis.
Cause of problem
•Seeifthesubvalveisopen.
•Checktheamountofcoolant.
•ChecktheOLPsensor.
1. How to check
No
No
No
No
No
Yes
Yes
Yes
Check the amount of coolant.
The sensor's resistance normal?
(Refer to E20.)
The outdoor/indoor EEV operates normally?
All the sub valves open?
Clogging in the pipeline?
(ex-filter)
Test operation
Replace the OLP sensor
Connect S-net to vacuum. (forceful)
Open the sub valve.
Check the EEV.
Check the pipeline.