Samsung AM030RXMDEH/EU - Page 29

Troubleshooting
Samsung Electronics 29
4-3-7 Comp. down due to a protective control of high pressure (Error Code : E407)
1. How to check
Do the values of S-net and
Manifold gauge correspond?
Does indoor/outdoor EEV
operate well?
Is there any clogged place
in the piping (ex. filter)?
Check the amount of refrigerant
Test operation
Open the service valve
Replace high pressure sensor
Check the relevant EEV
Check the piping
Yes
Yes
Yes
No
Are service valves open?
Connect S-net and Manifold gauge
(Mandatory)
No
No
No
Yes