Comp Down Due To Olp Temperature Control (Error Code : E463) - Samsung AM040FXMDEH Service Manual

Troubleshooting

3-16 Comp down due to OLP temperature control (Error Code : E463)

1. How to check
on OLP sensor normal?
Are service valves open?
S-net and Manifold gauge
Does indoor/outdoor EEV
Is there any clogged place
in the piping (ex. filter)?
Check the amount of
46
Is resistance value
(Refer to E320)
Yes
Test operation
Yes
Do the values of
correspond?
Yes
operate well?
No
refrigerant
No
Change the OLP sensor
Connect S-net and Manifold gauge
(Mandatory)
No
Open the service valve
No
Replace a high pressure sensor
Yes
Check the relevant EEV
Check the piping
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