Section VII - Troubleshooting
Probable Causes:
Corrective action:
Failure to Start:
p
ower
not
turned
“on”
b
lown
control
circuit
fuse
s
afety
circuit
shutdown
resulting
from
high
discharge
air
temperature
l
ow
voltage
p
ower
failure
l
oose
wire
connections
f
aulty
h
igh
a
ir
t
emperature
s
witch
f
aulty
p
ower
s
upply
t
urn
the
power
“on”
by
closing
the
main
disconnect
switch
or
circuit
breaker
.
r
eplace
fuse
. f
ind
and
correct
cause
.
c
orrect
the
situation
in
accordance
with
the
instruction
in
the
“h
igh
d
ischarge
a
ir
t
emperature
”
section
of
this
troubleshooting
guide
. r
estart
the
compressor
.
a
sk
the
power
company
to
make
a
voltage
check
at
your
entrance
meter
,
then
compare
that
reading
to
a
reading
taken
at
the
motor
terminals
. u
se
these
two
readings
as
a
basis
for
locating
the
source
of
low
voltage
.
c
heck
power
supply
to
the
unit
.
c
heck
all
wiring
terminals
for
contact
and
tightness
.
c
heck
h a t
switch
. c
ontact
a
qualified
service
technician
for
repairs
.
c
heck
output
voltage
on
power
supply
(
should
be
24 vdc).
60
Quincy Compressor-QGV Series
Summary of Contents for QGV Series
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