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---28---
COMPLAINT
CAUSE
REMEDY
If
not
running,
determine
the
cause.
Replace
if
required.
Remove
the
cabinet.
inspect
the
interior
surface
of
the
condenser;
if
restricted,
clean
carefully
with
a
vacuum
cleaner
(do
not
damage
fins)
or
brush.
Clean
the
interior
base
before
reassembling.
If
condenser
fins
are
closed
over
a
large
area
on
the
coil
surface,
head
pressures
will
increase,
causing
the
compressor
to
overload.
Straighten
the
fins
or
replace
the
coil.
Test
capacitor.
Check
the
terminals.
If
loose,
repair
or
replace.
Check
the
system
for
a
restriction.
If
restricted,
clean
of
replace.
Close
if
open.
Determine
if
the
unit
is
properly
sized
for
the
area
to
be
cooled.
Check
the
set
screw
or
clamp.
If
loose
or
missing,
correct.
If
the
blower
or
fan
is
hitting
air
guide,
rearrange
the
air
handling
parts.
Remove
the
cabinet
carefully
and
rearrange
tubing
not
to
contact
cabinet,
compressor,
shroud,
and
barrier.
Fan
motor
Condenser
air
flow
restriction
Condenser
fins
(damaged)
Capacitor
Wiring
Refrigerating
system
Air
filter
Exhaust
damper
door
Unit
undersized
Blower
or
fan
Copper
tubing
Compressor
cycles
on
overload(Cont'd)
Insufficient
cooling
Excessive
noise.
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