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Troubleshooting
Samsung Electronics
4-19
4-3-12 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.
Содержание AC048KNPPCC
Страница 10: ...Samsung Electronics 3 1 Item Remark Screw driver Monkey spanner Necessary Tools 3 Disassembly and Reassembly ...
Страница 51: ...PCB Diagram and Parts List Samsung Electronics 5 5 5 2 OUTDOOR 5 2 1 MAIN PCB Diagram 1 2 3 4 5 6 7 8 9 10 11 ...
Страница 58: ...Wiring Diagram Samsung Electronics 6 1 6 Wiring Diagram 6 1 Indoor Unit ...