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User Manual for NC Freezers
POWER/FREEZE FAILURE
NOTE: DO NOT OPEN THE FREEZER DOOR UNNECESSARILY IF POWER TO THE FREEZER IS OFF FOR SEVERAL HOURS.
IF A POWER FAILURE OCCURS, FROZEN FOODS WILL STAY FROZEN FOR AT LEAST 2 HOURS IF THE FREEZER IS KEPT
CLOSED. IF THE POWER FAILURE CONTINUES, PACK SEVEN OR EIGHT POUNDS OF DRY ICE INTO THE FREEZER EVERY
24 HOURS. COVER THE PRODUCT WITH A CARDBOARD SHEET OR ONE INCH POLYURETHANE SHEET AND CLOSE THE
LIDS. ALWAYS WEAR GLOVES AND USE CAUTION WHEN HANDLING DRY ICE.
IF THE FREEZER HAS STOPPED OPERATING, SEE "FREEZER DOES NOT RUN" IN THE SERVICE CHECKLIST SECTION OF
THIS MANUAL. IF YOU CANNOT SOLVE THE PROBLEM, CALL AN AUTHORIZED SERVICE IMMEDIATELY. DO NOT ALLOW
INEXPERIENCED PEOPLE TO REPAIR OR MODIFY THE ELECTRICAL WIRING AND/OR REFRIGERATION COMPONENTS.
BEFORE CALLING SERVICE, REVIEW THIS LIST. IT MAY SAVE YOU BOTH TIME AND COSTS. THIS LIST INCLUDES
COMMON OCCURRENCES THAT ARE NOT THE RESULT OF DEFECTIVE WORKMANSHIP OR MATERIALS IN THIS
APPLIANCE.
OCCURRENCE
Freezer runs too much or for
too long
Temperature inside the freezer
is too low
Temperature inside the freezer
is too high
Temperature of external freez-
er surface is warm
Noise level is higher whenever
the freezer is on
Noise level is higher when the
compressor comes on
Popping or cracking sound
when the compressor comes
on
Bubbling or gurgling sound,
like water boiling
Vibrating or rattling noise
Moisture forms on the inside
freezer walls
Odor inside the freezer
14
Check to ensure that the freezer is not plugged into a circuit that has ground fault interrupt - if you are unsure about the outlet,
have it checked by a certified technician.
Temperature control is in the OFF position - see "Setting the Temperature Control Section".
Freezer may not be plugged in, or the plug may be loose - be sure the plug is tightly pushed into electric outlet.
House fuse has blown, or the circuit breaker has tripped - check the circuit breaker and reset if needed, or replace fuse with a 15
amp time delay fuse.
In case of power outage - call the local electric company.
Room or outside weather is hot - it's normal for the freezer to work harder under those conditions.
Freezer was recently disconnected for a period of time - the freezer requires 4 hours to cool down completely.
Large amounts of warm or hot product have been stored recently - warm product will cause the freezer to run more until the
desired temperature is reached.
Door is kept open too long or too frequently - warm air enters the freezer every time the door is opened, try to open the door
less often.
Freezer door may be slightly open.
Temperature control is set too cold - turn the control knob to a warmer setting and allow several hours for the temperature to
stabilize.
Temperature control is set too low - turn the control to a warmer setting and allow several hours for the temperature to stabilize
Temperature control is set too high - turn the control to a colder setting and allow several hours for the temperature to stabilize.
Door is kept open too long or is opened too frequently, which allows warm air to enter the freezer every time it is opened. - try
to open the door less often.
The door may be slightly opened.
The freezer has recently been disconnected for a period of time - allow 4 hours to cool down completely.
The exterior freezer walls can be as much as 30°F warmer than the room temperature. This is normal while the compressor
works to transfer heat from inside the freezer cabinet.
The fan motor in the compressor compartment is damaged or has a loose connection.
Modern freezers have increased storage capacity and more even temperatures, so they require a high efficiency compressor. So
when the surrounding noise level is low, you may hear the compressor running while it cools the interior.
Freezer operates at higher pressure during the start of the ON cycle - this is normal, the sound will level off or disappear as the
freezer continues to run.
Metal parts undergo expansion and contraction, similar to hot water pipes - this is normal, the sound will level or disappear as
the freezer continues to run.
Refrigerant (used to cool freezers) is circulating throughout the system - this is normal.
Freezer is not level, it may rock on the floor when it is moved slightly - level the unit.
Floor is uneven or weak, freezer rocks on the floor when it is moved slightly - be sure the floor can adequately support the
freezer. If so, level the freezer by placing either wood or metal shims under part of the freezer.
Weather is hot, or humidity level is high, this increases the internal rate of frost build-up - this is normal.
Door is slightly open, kept open too long, or is being opened too frequently - this causes the cold air from inside the freezer to
meet the warm moist air from outside.
Interior needs to be cleaned - clean the interior according to the instructions in this manual.
Products with strong odors are inside the freezer - cover the product tightly.
SOLUTION
Beverage-Air
Beverage-Air
Rev. 02/24
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