UBC BEST Operating And Maintenance Manual page 20

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Refrigerant leak from
Insufficient
the refrigeration system.
cooling in the
inner chamber
(condenser
fan running ).
The air condenser
plates are clogged.
Poor air circulation.
Incorrect
thermostat settings.
Large amounts of ice
and hoarfrost in the
freezer compartment.
Products are placed
above the loading line.
The chest freezer is placed
near the heater, stove
or under direct sunlight.
The door is not tightly
closed.
The compressor
Malfunction
runs without
of the thermostat.
shutting down.
Unplug the chest
freezer. Call the service
technician to diagnose
leaks and repair.
Unplug the chest
freezer. Clean the air
condenser plates.
Make space around the
chest freezer for free air
circulation.
Call the service
technician to change the
thermostat settings.
Defrost the chest
freezer.
Remove excess product
from the chamber up to the
loading line.
Insulate chest
freezer from heat
source.
Close the door
Call the service technician
to reset the thermostat
settings.
19

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