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Title: Jacobs 56 machine won't cool Post by: Zerbie on May 24, 2016, 09:16:26 am I'm looking for some ideas on where to start trouble shooting my Jacobs 56 machine that won't cool.
The evaporator runs and when turning the thermostat to 1 or higher the compressor kicks in. Just never gets cold. Could it be as simple as finding a local service guy to come charge up the compressor with some refrigerant? I've attached a couple of pics of compressor model and a tag that is located in front of the coils. Thanks in advance, Title: Re: Jacobs 56 machine won't cool Post by: MoonDawg on May 24, 2016, 10:41:53 am First with the thermostat off, put a rag in the lower fan blade so it is silent.
Then turn it to on and verify the compressor is vibrating (pumping). If so, turn it off and look for a leak. It will show up as residual of a fine spray of oil. It probably needs service so it's best to remove the unit and carry it in to a refrigeration shop, because mobil hourly service calls can become costly. Title: Re: Jacobs 56 machine won't cool Post by: Zerbie on May 24, 2016, 01:06:54 pm Thanks MoonDawg
If I remove the unit from the cabinet, do I remove both the compressor and the evaporator as one unit from the machine - since they are connected together with copper tubing? Is R-12 refrigerant the same as F-12 refrigerant? Title: Re: Jacobs 56 machine won't cool Post by: MoonDawg on May 24, 2016, 01:34:39 pm yes
Title: Re: Jacobs 56 machine won't cool Post by: Zerbie on May 25, 2016, 06:03:12 pm Thank you much! 8)
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