Whynter CUF-301SS, Instruction Manual

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14
Troubleshooting
Problem Possible Causes Solutions
The machine won't
operate

The upright freezer is unplugged

The voltage is not in the correct
range

Too many appliances running form
the same power circuit

Push the plug completely into the power source

Make sure that the upright freezer runs on a dedi-
cated power source that can support the maxi-
mum power consumption of the upright freezer

Run the upright freezer on a dedicated power
source
Noise during operation 
The legs are not leveled

Certain sounds are normal

Make sure legs are properly installed

See “Normal Sounds”
The compressor runs
for 1 to 5 minutes and
stops 
The voltage is not in the correct
range

Unplug and restart when the power is normal
The compressor runs
but the inner liner
does not get very cold 
The ambient temperature is too
high

The system is blocked

If temperature is higher than 90°F, the unit need
longer to cool to the set temperature

Contact Whynter Service Department via email at
service@whynter.com
The upright freezer
does not cool suffi-
ciently 
Freezer door being opened fre-
quently

Freezer door left open for a while

Not enough adequate clearance

Freezer is overfilled

Ambient temperature is too high

Refrain from opening the upright freezer door re-
currently

Make sure to close upright freezer door

Follow recommended clearance measurements

If temperature is higher than 90°F, the unit need
longer to cool to the set temperature
The compressor does
not run 
The controller is faulty (the power
indicator is not on)

The temperature is set too high
and the ambient temperature is
too low

Contact Whynter Service Department via email at
service@whynter.com

Set the upright freezer to a lower temperature
Door does not fully
close 
Legs are not properly leveled

Stored items holding door open

See “Leveling the Upright Freezer”

Move stored item to a different location
Food defrosting 
Freezer is unplugged

Fuse blown

Freezer door being opened fre-
quently

Freezer door left open for a while

Push the plug completely into the power source

Replace fuse or reset the breaker

Check to see if an object is holding the door open
Excessive frost
buildup

Door left open too frequent or too
long door openings

High humidity

Check to see if an object is holding the door open

Open the door less often
Many common upright freezer problems are easily resolved. Try the troubleshooting suggestions below to
see if the problems can be resolved before having to contact the service department.