T
e
st Op
e
r
a
tion
Sa
msun
g
El
ec
troni
c
s
9-1
3
10) M
a
in EEV
Ŷ
Insp
ec
tion it
e
m : M
a
in EEV o
f
Out
d
oor Unit.(Auto Tri
a
l Op
e
r
a
tion : H
ea
tin
g
only )
Ŷ
Error
c
o
de
: Non
e
(Th
e
r
e
sultin
g
r
e
port "Un
de
t
e
rmin
ed
")
Ŷ
D
e
t
e
rmin
e
th
e
M
a
in EEV op
e
r
a
tion st
a
tus o
f
th
e
eac
h Out
d
oor Unit.
Ŷ
I
f
th
e
ju
dg
m
e
nt o
f
M
a
in EEV is "Un
de
t
e
rmin
ed
" : Ch
ec
kin
g
in
acc
or
da
n
ce
with th
e
f
ollowin
g
or
de
r.
Division
Error Co
de
D
e
s
c
ription
R
e
m
a
rk
D
ed
i
ca
t
ed
Error Co
de
E50
3
Se
rvi
ce
V
a
lv
e
is
c
los
ed
R
efe
r to "
Se
rvi
ce
V
a
lv
e
"
E505
Hi
g
h pr
e
ssur
e
s
e
nsor
b
r
ea
k
d
own
R
efe
r to "Hi
g
h / Low pr
e
ssur
e
s
e
nsor
(Mo
d
ul
e
inst
a
ll
ed
)"
E506
Low pr
e
ssur
e
s
e
nsor
b
r
ea
k
d
own
ఐ͑
Oth
e
r
e
rror
c
o
de
s : R
efe
r to
Se
rvi
ce
M
a
nu
a
l.
Yes
Check the Valve and Pressure sensor.
No
A
u
to
T
ri
al
Op
e
r
a
tion
results,
is Valve and Pressure sensor normal?
Yes
Confirmation and Measures
No
Is Main EEV connector normal?
Yes
Replace Coil
No
Is Main EEV coil normal?
(Resistance, wire breaking, operation
impossible, etc.)
Yes
Replace Hub PCB
No
Is PCB Output signal normal?
Replace Main EEV
Complete
※
Main EEV coil resistance value based (Measured temperature is 20°C)
Main EEV Coil
Operating
Voltage
(VDC)
Resistance of
between the
phase (
Ω
)
9-1-4 Auto Trial Operation Error Code
