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Posted by Wayne Boatwright on July 4, 2006, 11:10 pm
Oh pshaw, on Tue 04 Jul 2006 07:43:45p, Don Young meant to say...
>
> "Wayne Boatwright" <wayneboatwright_at_gmail.com> wrote in message
>> Oh pshaw, on Tue 04 Jul 2006 04:27:10a, JimL meant to say...
>>
>>> On 4 Jul 2006 09:31:41 +0200, Wayne Boatwright
>>> <wayneboatwright_at_gmail.com> wrote:
>>>
>>>>We have a Frigidaire 16 cubic foot frost-free upright freezer. Most
>>>>of the time it will maintain a -10°F. temperature. Periodically,
>>>>perhaps every 6 months or so, the temperature rises to between 10-20°
>>>>above 0°F.
>>>> If I remove the contents and allow the freezer to stand empty with
>>>> the
>>>>door open for 24 hours, when I power it up again, it will return to
>>>>the -10°F. temperature and maintain that again for at least 6 months.
>>>>
>>>>Any ideas on what may be cause this?
>>>>TIA
>>>
>>> The most likely cause is that you didn't shut the door properly the
>>> day before the problem. Probably a plastic sack of frozen food was
>>> sticking over the gasket or you crammed too much in and the door
>>> didn't close all the way and that failure on your part let in heat and
>>> moisture. That iced up your coils much more than your defrost cycle
>>> could handle so from then on your coils never defrost. Eventually
>>> there is complete obstruction by the ice.
>>>
>>> Learn to clear your gasket area when you shut the fridge and all will
>>> be well.
>>
>> I don't think this is the problem. I'm obsessive about making sure the
>> door is closed completely. In fact, when the door is first closed it's
>> almost as though the box is pulling a vacuum, as the door cannot be
>> opened at all for a few seconds.
>>
>> I suppose it's possible that the coils are iced up, though I'm not sure
>> what caused it. That would seem logical, though, since giving the
>> whole unit a chance to stand open for 24 hours seems to correct the
>> problem.
>>
>> This has happened several times and always at about the 6th month mark.
>>
>> --
>> Wayne Boatwright @¿@¬ _____________________
> This is almost definitely a frost/icing problem. You just need to figure
> out why it is frosting excessively or not defrosting properly. Could
> even be a clogged drain for the defrost water if it has one. Could be a
> leaky gasket allowing excess moisture inside but not likely since you
> say it seems to vacuum seal when closed. Could be an improper defrost
> cycle due to bad timer, heater or defrost thermostats. See if you can
> find out how it is supposed to defrost. Could also be due to inadequate
> airflow caused by partial blockage or sticking fan bearings.
> Don Young
Thanks, Don. You've given me several targets to focus on.
--
Wayne Boatwright @¿@¬
_____________________
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