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Maintenance
Listed below are common refrigeration components with a
brief description of the normal operating sounds they
make. NOTE: Your product may not contain all the
components listed.
•
Compressor: The compressor makes a hum or pulsing sound
that may be heard when it operates.
•
Evaporator: Refrigerant fl owing through an evaporator may
sound like boiling liquid.
•
Condenser Fan: Air moving through a condenser may be
heard.
•
Automatic Defrost Drain Pan: Water may be heard dripping
or running into the drain pan when the unit is in the defrost
cycle.
TROUBLESHOOTING GUIDE
!
DANGER
ELECTROCUTION HAZARD.
maintenance on the unit before disconnecting the main electrical
power.
Troubleshooting - What to check when problems occur:
Problem
Possible Cause and Remedy
Interior Light
If the unit is cooling, it may be in Sabbath
Does Not
mode.
Illuminate
Light Remains
Turn off light switch if equipped.
on When Door Is
Adjust light actuator bracket on bottom of
Closed.
door.
Unit Develops
Ensure the door is closing and sealing
Frost on Internal
properly.
Surfaces.
Unit Develops
The unit is exposed to excessive humidity.
Condensation on
Moisture will dissipate as humidity levels
External Surfaces.
decrease.
Product is Not
Air temperature does not indicate product
Cold Enough
temperature. See CHECKING PRODUCT
TEMPERATURE below.
Adjust the temperature to a cooler set
point.
Ensure unit is not located in excessive
ambient temperatures or in direct sunlight.
Ensure the door is closing and sealing
properly.
Ensure the interior light has not remained
on too long.
Ensure nothing is blocking the front grille,
found at the bottom of the unit.
Ensure the condenser coil is clean and free
of any dirt or lint build-up.
Never attempt to repair or perform
CHECKING PRODUCT TEMPERATURE
To check the actual product temperature in the unit:
1.
Partially fi ll a plastic (nonbreakable) bottle with water.
2.
Insert an accurate thermometer.
3.
Tighten the bottle cap securely.
4.
Place the bottle in the desired area for 24 hours.
5.
Avoid opening the unit during the testing period.
6.
After 24 hours, check the temperature of the water. If required,
adjust the temperature control in a small increment (see
CONTROL OPERATION).
Causes which aff ect the internal temperatures of the
cabinet include:
•
Temperature setting.
•
Ambient temperature where installed.
•
Installation in direct sunlight or near a heat source.
•
The number of door openings and the time the door is open.
•
The time the internal light is illuminated. (This mainly aff ects
product on the top rack or shelf.)
•
Obstruction of front grille or condenser.
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