Troubleshooting – MARVEL Scientific 17CAF User Manual

Page 9

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Before Calling for Service

Before calling for service, check the troubleshooting table on this page. This table lists possible problems that you can remedy without

difficulty to avoid an unnecessary service call.

OCCURRENCE

POSSIBLE SOLUTIONS

Freezer does not run

1. 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.
2. Temperature control is in the OFF position. See “Setting the Temperature Control” in the Installa-

tion section.
3. Freezer may not be plugged in or plug may be loose. Be sure plug is tightly pushed into electrical

outlet.
4. Circuit breaker has tripped. Check/reset circuit breaker.
5. Power outage. Call local electric company.

Freezer runs too much or

too long

1. Room or outside weather is too hot. It is normal for the freezer to work harder under these con-

ditions.
2. Freezer has recently been disconnected for a period of time. Freezer requires four (4) hours to

cool down completely.
3. Large amounts of warm commodities have been stored recently. Warm commodities will cause

the freezer to run more until the desired temperature is reached.
4. Door is kept open too long or too frequently. Warm air enters the freezer every time the door is

opened. Open the door less often.
5. Freezer door may be slightly open. See “Door will not close” under OCCURRENCE.
6. Temperature control is set too cold. Turn the control knob to a warmer setting. Allow several

hours for the temperature to stabilize.
7. Freezer gasket is dirty, worn, cracked, or poorly fitted. Clean or change gasket. Leaks in the door

seal will cause freezer to run longer in order to maintain desired temperature.

Temperature inside the

freezer is too cold

1. Temperature control is set too cold. Turn the control to a warmer setting. Allow several hours for

the temperature to stabilize.

Temperature inside the

freezer is too warm

1. Temperature control is set too warm. Turn the control to a colder setting. Allow several hours for

the temperature to stabilize.
2. Door is kept open too long or too frequently. Warm air enters the freezer every time the door is

opened. Open the door less often.
3. Freezer door may be slightly open. See “Door will not close” under OCCURRENCE.
4. Large amounts of warm commodities have been stored recently. Wait until the freezer has had a

chance to reach its selected temperature.
5. Freezer has recently been disconnected for a period of time. Freezer requires four (4) hours to

cool down completely.

Temperature of external

freezer surface is warm

1. The exterior freezer walls can be as much as 30 degrees F warmer than room temperature. This is

normal while the compressor works to transfer heat from inside the freezer cabinet.

Louder sound levels when-

ever freezer is ON

1. Modern freezers have increased storage capabilities and more even temperatures. They require a

high efficiency compressor. When the surrounding noise level is low, you might hear the compressor

running while it cools the interior.

TROUBLESHOOTING

9

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