Section VII - Troubleshooting
Probable Causes:
Corrective action:
unscheduled Shutdown:
h
igh
discharge
air
temperature
p
ower
failure
f
aulty
hat
sensors
l
oose
wire
connections
thermal overload relays tripping:
e
xcessive
discharge
pressure
l
ow
voltage
l
oose
motor
or
starter
wiring
f
aulty
motor
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
.
c
heck
power
supply
and
transformer
fuses
.
c
ontact
a
qualified
service
technician
for
repairs
.
c
heck
all
wiring
terminals
for
contact
and
tightness
.
l
ower
full
load
pressure
setting
at
control
panel
.
c
heck
voltage
and
amperage
while
operating
at
full
load
pressure
.
c
heck
all
connections
for
tightness
.
c
heck
motor
starter
wiring
before
removing
motor
. r
emove
motor
and
have
tested
at
motor
manufacturer
repair
center
.
Quincy Compressor-QGV Series
6
Summary of Contents for QGV Series
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