Ice Cream Freezer Issues

Ice Cream Freezer Issues

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Thread: Ice Cream Freezer Issues

  1. #1
    Join Date
    Apr 2018
    Posts
    2

    Default Ice Cream Freezer Issues

    I'm looking for help with an ice cream freezer problem. It's an older model True TDC-87. I recently purchased my ice cream shop last year, so I don't have a complete history on the machine (what work has been done, etc.) and I should note that I have very little knowledge of refrigeration systems. However, I do consider myself mechanically adept and feel that my service people are missing something.

    Last year, the freezer worked fine from May to August, then stopped cooling and I had the compressor replaced. It worked okay for a couple of days but then started not cooling as much, at which point I was told that I needed a new cap tube. After that work was done the freezer worked fine until I closed the shop in the fall.

    I reopened the shop for the spring season and the freezer was once again not getting down to temperature. The repairman came and found it needed a coolant charge. He checked and could not find a leak, so he suspects a slow leak in the inaccessible tubing that wraps the unit. It ran fine for a few days (-10 degrees), and then the fan blade fell off and the compressor over heated. Repairman replaced the fan blade, compressor came back to life, but now temps only hover between 2-5 degrees. He has checked the compressor and says it is working properly although the lifespan is likely shortened due to the overheating. He said it still has a full refrigerant charge. He turned off the defrost cycle, and also bypassed the thermostat to make the freezer run all of the time, and the temperature is the same. The only other idea he has given me is that the coils that wrap the unit might be pulling away from the inner compartment due to failing bracing, but that logic does not make sense to me given the fact that after the initial charge this season it ran fine for a few days until the fan blade fell off. By the way, the fan blade fell off during the night and according to the repair company it was never touched for any of their work.

    I'd really appreciate any ideas/guidance. While it may be easy to say "find a new repairman", I am hesitant to do so for a few reasons. First, the compressor is under warrantee and I've already paid this company more than 2K to fix this freezer. I don't know if I could utilize the warrantee with a different company, since this one technically purchased it (and then I from them). They have been working to try to figure out the problem and have tried a few things/made a few visits without charging me, and I do believe they are honest guys who want to fix it properly. So, I think jumping ship and starting with someone else is going to be more costly at this point. Again, any ideas are appreciated, and I'm happy to provide more info if needed.

    Thanks in advance!

  2. #2
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,580

    Default

    Hi,

    I don't service commercial style appliance, just domestic ones.
    That being said...."find a new repairman"!!

    found it needed a coolant charge. He checked and could not find a leak, so he suspects a slow leak in the inaccessible tubing that wraps the unit.
    The only way you can be low on refrigerant gas is a leak! It is against the law to add refrigerant gas to something you "think" or "suspect" will or has a leak!

    but now temps only hover between 2-5 degrees. He has checked the compressor and says it is working properly although the lifespan is likely shortened due to the overheating. He said it still has a full refrigerant charge. He turned off the defrost cycle, and also bypassed the thermostat to make the freezer run all of the time, and the temperature is the same.
    Running all of the time, nothing to shut it off and the unit cannot get down to temp....kinda sounds like the compressor may have been damaged and is not 100% pumping ( called being inefficient ).

    Sorry can't help more.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  3. #3
    Join Date
    Apr 2018
    Posts
    2

    Default Thanks

    Thanks for your response. I'm going to have the compressor replaced since I will only have to pay for the labor and keep my fingers crossed. Best, Mike

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