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  1. #1
    Join Date
    Aug 2018
    Kansas City, MO
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    int69 diagnose compressor protector

    I have a low temp Copeland ZF48 scroll that is throwing a phase imbalance code on the protector. My voltage at peckerhead is 476,477,477
    My question is how is this sensing imbalance?
    I switched L2 and L3 on the module and it runs properly. Ive also tried a diff module. Same result. I left this system down because I dont want compressor failure.

  2. #2
    Join Date
    Dec 2014
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    You've got mail. Cheers.

    Sent from my SM-G930V using Tapatalk

  3. #3
    Join Date
    Mar 2008
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    From what I’ve seen Copeland is using their own modules now verified voltage etc and replaced the module and headaches went away.
    Honeywell you can buy better but you cant pay more

    I told my wife when i die to sell my fishing stuff for what its worth not what i told her i paid for it

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