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York defrost boards

Hi all,

Need info on a York defrost board. It flashes 5 times. It is a 031-00832 and made by honeywell. The literature is faded and can't read.

Anyone have the lit for it? There are multible units at this school.

Thanks
Don In Moberly MO

Comments

  • SteveTSteveT Member Posts: 10
    #5 fault

    Is a defrost fault. The control has to calculate a "default defrost" on Two consecutive defrost cycles. This is usualy caused by a faulty liquid line sensor, or low refrigerant charge. The sensor is a standard 10K sensor and should read 32,000ohm @32'F ( ice water). That unit with a clear coil should have a liquid line temp. that is 10' below ambiant when the refrigerant charge is correct. Hope this helps!
    Steve
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