Re: [DIYbio] -80 freezers

On 03/06/2013 04:45 PM, Jeswin wrote:
> -80C freezer at a go-dove auction. Well,
> the thing only goes to -35C. I guess the compressor is broken.


Those have a cascade of compressors -- 3 maybe.


On 03/06/2013 07:15 PM, Josh Perfetto wrote:> I am also surprised that power cycling temporarily fixes it, anyone know why that
might be?


Sounds like the heat transfer between stages is messed up. If it stops after going a while,
maybe a stage has water condensation freezing stopping it. Could be bad insulation,
could be the aftermath of a repair with not so good insulation replacement.

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