Premium PFR40W - Page 15

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Is there high temperature food, like hot
soup etc., inside freezer?
Hot temperature
food let the
temperature
inside freezer
cooling
compartment
rise.
Too more times of opening of the door
It will affect the
cooling effect
Leakage of
cooling air
Check the door gasket sealing strip is
broken or deforming
Broken of the
door gasket
sealing strip
Check the door is warded off by the food
and the door is closed tightly or not.
T
he door is not
closed tightly
The unit is not
placed at good
position
The freezer is inside direct sunshine The unit can not
dissipate the heat
because sunshine
The back of the unit is too close to the
wall
Too close will
affect the heat
dissipation
There is heat source near the unit.
Over-hot
environment will
affect the heat
dissipation
(C)、
Temperature
is too low
Abnormal action
of thermostat
Check the sensor head of the thermostat
is loosing or not
Incorrect
temperature
sensing of
thermostat
Thermostat is not at good quality
Thermostat is
breakdown
(D)、
Water
condensate
There is
condensed water
on the closure
The environment is too wet
The relative
humidity is too
high
(E)、
Leakage
of
electricity
Electrical shock
sense on the
enclosure
Confirm the insulation resistance is lower
than 1 MΩ by the meg ohm meter
Insulation is not
good
Check the electrical parts of the unit are
wet
Insulation is not
good
Check the electrical parts touch with the
metal enclosure or not, and the grounding
lead is not grounded properly
Electricity
leakage
Check it have static electricity influence
Static electricity
influence
(F)、
Too noisy
There is sound
inside compressor
Check the compressor has abnormal
sound or not.
Compressor
abnormal