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• Scroll Condensing Unit • JEHSCU
• Scroll Condensing Unit • JEHSCU
24
12
Trouble Shooting
This troubleshooting guide describes some common condensing unit
f
ailure. Consult quali
f
ied personnel be
f
ore any corrective actions are ta
k
en.
Important Note
Warning! - Immediately shut o
ff
po
w
er o
f
the unit i
f
there is any event o
f
accident or brea
k
do
w
n.
F
a
ilure Possible
C
a
uses
F
a
n does not work
•
I
m
proper wirin
g
•
F
a
n
m
otor f
a
ulty
Co
m
pressor does not st
a
rt
•
I
m
proper wirin
g
•
Defective
cont
a
ctor or coil
•
S
yste
m
stopped bec
a
use of tripped
of s
a
fety device.
•
Defective
st
a
rt/run c
a
p
a
citor
•
Co
m
pressor f
a
ulty
Insufficient coolin
g
•
Low
refri
g
er
a
nt ch
a
r
g
e
•
Condenser coil dirty
•
Obst
a
cle blockin
g
a
ir inlet/outlet
•
I
m
proper ther
m
ost
a
t settin
g
•
Co
m
pressor rot
a
tin
g
direction is
incorrect
EE
D
E
N
1
3
-
780A
_
Scro
ll
Condensing
U
nits
- JEH
SC
U.p
d
f 26
30
/
0
4/2
0
1
3
16:11:11