Troubleshooting
Samsung Electronics
37
4-
3
-16
Com
p
.
d
o
wn du
e
to
OLP
tem
p
erat
u
re
co
n
trol
(E
rror
Co
d
e
: E46
3
)
1. How to check
Is resistance
value on OLP sensor normal?
(Refer to E320)
Test operation
Are service valves open?
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)?
Change the OLP sensor
Open the service valve
Replace a high pressure sensor
Check the relevant EEV
Connect S-net and Manifold gauge
(Mandatory)
No
No
No
Yes
Yes
Yes
Yes
No
Check the amount of
refrigerant
Check the piping
