Troubleshooting
Samsung Electronics
63
4-5-9
GA
S
leak
error
(E
55
4)
1.
Check
items
1
)
I
s
refrigerant
charged?
2)
I
s
the
e
v
aporator
sensor
of
indoor
u
nit
connected
correct
l
y?
2
.
Check
proced
u
re
Does
the
error
occ
u
r?
Y
es
No
Norma
l
operation
Y
es
No
Are
the
ser
v
ice
v
a
lv
es
f
ull
y
opened?
Y
es
No
Open
the
ser
v
ice
v
a
lv
es
I
s
the
e
v
aporator
sensor
of
indoor
u
nit
connected
correct
l
y?
Y
es
No
Connect
the
sensor
’
s
connector
Y
es
No
Charge
refrigerant
I
s
the
v
a
lu
e
of
resistance
between
each
phase
(*
)
for
compressor
sma
ll
er
than
2
ȍ"
E
xchange
the
compressor
(*
)
U
↔
V
,
V
↔
W
,
W
↔
U
I
s
refrigerant
charged?
E
xchange
I
NV
E
R
TE
R
PCB
RC160MHXGA_SM_E_34513A(1)_4.indd 63