Thermo King 914 724, Руководство пользователя

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Refrigeration Diagnosis (Rev. 1/99)
86
• • • •
Liquid refrigerant entering compressor
• • •
Restricted line on the low side
• •
Restricted line on the high side
• • •
Restricted dehydrator
• •
Reversed fan rotation
• • •
Leak in heat exchanger
• • • • •
Faulty pilot solenoid
• •
Loose or broken electrical connections
• • • •
Gauge out of calibration
• •
Leaky bypass check valve
• •
Leaky condenser check valve
•
Condenser fan motor not operating
• • • • •
Evaporator fan motor not operating
•
Belts are loose
R
a
pi
d c
ycl
in
g
U
n
it
co
ol
s i
n
d
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fr
o
s
t
c
ycl
e
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t h
eat
s
in
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fr
ig
er
ati
on c
y
c
le
Hi
gh h
ead
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es
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w he
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re
No hea
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es
s
u
re
Hi
gh s
u
c
ti
on p
ress
u
re
Lo
w s
u
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n pr
es
s
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re
N
o
su
ct
io
n
pr
es
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re
Uni
t o
per
ati
n
g
in
a v
a
c
uum
S
igh
t gl
as
s
/ em
pty
S
u
c
tio
n li
ne
fr
os
tin
g
ba
ck
N
o
isy
co
mp
re
ss
or
Uni
t n
o
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e
fr
iger
ati
n
g
Uni
t n
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os
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SYM
PTO
M
POSSIBLE CAUSES