Troubleshooting
Samsung Electronics
29
4-
3
-
7
Com
p
.
d
o
wn du
e
to
a
p
rotect
iv
e
co
n
trol
o
f
h
ig
h
p
ress
u
re
(E
rror
Co
d
e
: E4
07
)
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
