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SERVICE MANUAL
Model: BD-429GAA
1
.
The knob of temperature controller has
1
.
Compressor
been set to "over cooling" position.
runs without
2
2
.
.
The contacting point of temperature
stop,
controller is adhered.
temperature
3
.
The
3
.
in cabinet is
controller is not placed well, and causes
too low
maladjustment.
4
.
Compressor efficiency reduced.
4
.
Compressor
buzzes and
1
.
Voltage is too low.
1
.
cannot
be
2
.
Starting relay out of order.
2
.
started,
3
.
The starting coil of starting motor is
3
.
thermal
broken.
protection
4
.
Compressor does not run.
4
.
unit
jump
repeatedly.
1
.
The voltage is too high.
1
.
2
.
Over load protection unit is not good, it
2
.
After
short
jumps earlier.
time
of
3
.
Starter contacting point is adhered.
3
.
operation,
4
.
There is short circuit in compressor.
4
.
over
load
5
5
.
.
There is mechanical problem in the
protection
compressor.
unit cuts off
6
6
.
.
Temperature around compressor is too
high.
1
.
The floor is loose.
1
.
2
.
The cabinet body is not stable and in
2
.
level.
Too
much
3
.
When compressor runs, friction between
3
.
noise
when
tubes
compressor
resonance.
runs
4
4
.
.
Compressor fixing screw is loose.
5
5
.
.
The vibration absorption cushion for
compressor fixing is too tight, or too loose
or ageing.
temperature
sensing
and
cabinet
body
1.
Change the position to
moderate.
2.
Repair or change.
3.
Adjust to suitable position,
probe
of
normally contact tightly with
evaporator cover.
4.
Change compressor.
1
1
.
.
Supplement
adjust to rated value.
2
.
Change starting relay.
2
.
3
.
Change compressor.
3
.
4
.
The shaft and piston in the
4
.
compressor
please change.
1
.
Supplement a stabilizer and
1
.
adjust its value to rated.
2
.
Change over load protection
2
.
unit.
3
.
Change starting relay.
3
.
4
4
.
.
Change compressor.
5
5
.
.
Change compressor.
6
6
.
.
Increase
space.
1
.
Reinforce the floor.
1
.
2
2
.
.
Make the cabinet body stable.
3
3
.
.
Move the tube a little away to
avoid friction.
causes
4
.
Make the screw tight.
4
.
5
.
Adjust the degree of tight or
5
.
loose of vibration absorption
cushion, or change cushion.
6
.
Change compressor.
6
.
Issue 2009-03-09
Rev.
Ref0903S021V0
a
stabilizer,
is
blocked,
heat
radiation
20
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