Carrier reefer 2500 X2 Alternator or belt problem

Discussion in 'Refrigerated Trucking Forum' started by TruckerDan76, Aug 29, 2021.

  1. TruckerDan76

    TruckerDan76 Bobtail Member

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    Feb 3, 2021
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    Hi everyone. My unit 2500 X2 from 2010 is giving me alarm A51 alternator not charging. First i noticed that the belt was worn out. I replaced it, but after 2-3 days I got the same alarm, a the new belt was worn out. I replaced it again, but same alarm came 2 days after. Took it to Carrier service, explained the problem and the technician told sme probably the alternator was not tight enough. Also checked the pullies and sad they looked fine. Now 3 days later, again with the same A51 alarm. I replaced yet another belt, but now the alarm wont clear. Just to mention the unit was 2 months not user prior to this issue. Anyone had similar experience or have a solution. Thanks
     
    Last edited: Aug 29, 2021
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  3. reeferwrencher

    reeferwrencher Medium Load Member

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    Aug 4, 2018
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    Sounds like you need a new alternator man
     
  4. scoobertdoo

    scoobertdoo Medium Load Member

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    Nov 11, 2020
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    Replace the battery. The carrier on the reefer I am pulling now gave all sorts of weird codes, $100 battery changed that.
     
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