Section VIII - Troubleshooting
Integrated Dryer Troubleshooting
(continued):
Compressor starts and runs – short
cycles on overload:
l
ow
voltage
,
or
Phase
unBalance
.
a
dditional
current
going
thru
overload
.
o
verload
Protectors
defective
.
h
igh
discharge
Pressure
.
s
hort
in
winding
.
Head pressure too high:
r
efrigerant
overcharge
.
a
ir
in
system
.
d
irty
condenser
.
l
ocation
too
hot
.
d
efective
condenser
Pressure
switch
.
d
efective
fan
motor
.
f
an
oPerating
in
wrong
direction
.
Head pressure too low:
r
efrigerant
shortage
.
c
omPressor
suction
or
discharge
valves
inefficient
.
d
efective
condenser
fan
cycling
Pressure
switch
.
d
efective
water
regulating
valve
.
c
heck
voltage
to
Be
within
±10%
of
voltage
listed
on
name
Plate
.
c
heck
wiring
diagram
,
check
for
added
electrical
devices
connected
thru
Protector
.
c
heck
current
,
rePlace
.
c
heck
resistance
,
rePlace
comPressor
.
P
urge
or
vacuum
and
recharge
.
c
heck
for
reason
,
rePair
.
B
low
clean
with
comPressed
air
.
c
ool
amBient
,
relocate
unit
,
add
ventilation
.
r
ePair
or
rePlace
.
r
ePlace
.
s
witch
two
wires
at
disconnect
.
r
ePair
leak
and
recharge
.
r
ePair
or
rePlace
.
r
ePair
or
rePlace
.
a
djust
,
rePair
or
rePlace
.
Quincy Compressor-QGB
™
81
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