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2-4. Cooling
P
o r
b
e l
m
s
C
High
Refrigerant leak.
e t
m
p
e
a r
u t
e r
n i
h t
e
f
e r
z e
r e
o c
m
a p
t r
m
e
. t n
Shortage of refrigerant
a
s u
s e
Check sequence
. 1
C
h
e
k c
h t
e
d
i r
r e
n i
e l
a t
a
u
i x
a i l
y r
n i
compartment (high pressure side).
2. Check the end of compressor
sealing pipe (low pressure side).
3. Check silver soldered parts.
(Cu + Fe / Fe + Fe).
4. Check bending area of wire
condenser pipe in compressor
compartment (cracks can
happen during bending).
5. Check other parts (compressor
compartment and evaporators in
freezer compartment).
Check frost formation on the surface
of evaporator in the freezer
o c
m
a p
t r
m
e
. t n
- If the frost forms evenly on the
surface, it is OK.
- If it does not, it is not good.
C
h
c e
s k
Weld the leaking part, recharge the
w
e
d l
e
d
a p
s t r
f o
h t
e
e r
r f
g i
e
a r
. t n
n
d
o
u
e l t
a t
n
d
d
i r
r e
h t
e
o c
m
p
e r
s s
r o
- Find out the leaking area, repair
evacuate, and recharge the
e r
r f
g i
e
a r
- No leaking, remove the remaining
refrigerant, and recharge new
refrigerant.
M
e
s a
r u
s e
Drier must be replaced.
Drier must be replaced.
. t n
R
e
m
r a
s k
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