Olp Protection Control Caused Comp. Down - Samsung AVXCSH023/032/040CE Service Manual

4-4-33

: OLP protection control caused comp. down

Outdoor unit display
Indoor unit display
Criteria
Cause of problem
1. How to check
OLP sensor is resistance is normal?
(Refer to E320.)
Test operation
All the sub valves open?
The outdoor/indoor EEV operates normally?
Clogging in the pipeline?
(ex-filter)v
Check the amount of coolant.
Samsung Electronics
×(Operation) (Timer) (Fan)
• OLP SENSOR temp above Trip_Dis.
• See if the sub valve is open.
• Check the amount of coolant.
• Check the OLP sensor.
Yes
Yes
Yes
No
(Filter) (Defrost)
No
Replace the OLP sensor.
Connect S-net to vacuum. (forceful)
No
Open the sub valve.
No
Check the EEV.
No
Check the pipeline.
Troubleshooting
4-126