10
9
、
Table for quick answer for the field problem
：
Item
Phenomenon
Check point and the detail
Caused by
(A).
Not cool
completely
Power indicator is
not
on
and
compressor
doesn’t run
Check
that
other
appliances are working
or not.
No power supply
in
neighbor
house
Field
power
supply is cut off.
All
of
other
appliances
in
house
don’t
work
Main fuse is cut
off.
Only this freezer
doesn’t work
Power
supply
outlet
has
problem
Compressor
doesn’t run, but
power indicator is
on.
If the cooling thermostat is shorted of the
circuit or turn the thermostat to the coldest
point, the compressor can run.
Thermostat
is
breakdown
There is sound when turning the knob of
the thermostat.
The
knob
is
broken or is not
installed
properly.
Thermal protector may
be overloaded.
Check it is cutoff
or not by the
multi-meter.
If it is cutoff,
means
it
is
broken down.
PTC Starter
Check it is cutoff
or not by the
multi-meter.
If it is open,
means
it
is
broken down.
Check
the
circuit
wiring
Check it have
broken point or
not in the circuit
wiring according
the
electrical
diagram
Maybe the lead
is broken or the
connection point
is loosing
Compressor problem
Measure
the
winding
resistance of the
compressor
The winding is
broken or burnt
