microwave only half heat sharp 1500w/r-22at

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  • #53576
    torxhead
    Participant

    wondered if anyone had any ideas?
    ive got a sharp commercial microwave, customer complains of only having half the power. model 1500w/r-22at.

    there are two magnetrons and transformers, like two microwaves in one.

    i have disconnected each transformer one at a time and thee doesnt appear to be any less heating power.

    wondered if anyone had any ideas?
    t.i.a.

    #316505
    chezza
    Participant

    Re: microwave only half heat sharp 1500w/r-22at

    When you say doesnt appear to be any less power, have you tested for power output ?
    try this http://www.gallawa.com/microtech/output.html with one side at a time disconnected , but please make sure you safely discharge capacitors each time and follow sensible safety precautions

    #316506
    LJDomestics
    Participant

    Re: microwave only half heat sharp 1500w/r-22at

    work on it as if it is two micro’s in one.

    test one side as u would then the other.

    done hundreds of these over the yrs.


    there is one way of testing that power is going to the mags that i used to do but dare not post how on here. lol

    #316507
    torxhead
    Participant

    Re: microwave only half heat sharp 1500w/r-22at

    thanks to both posts. will give that a go later today

    #316508
    torxhead
    Participant

    Re: microwave only half heat sharp 1500w/r-22at

    update.

    did the wattage test, strange result.

    both magnetrons are working, but only 3/4 power from both.

    #316509
    torxhead
    Participant

    Re: microwave only half heat sharp 1500w/r-22at

    any suggestions?
    could it be the circuit board?

    #316510
    torxhead
    Participant

    Re: microwave only half heat sharp 1500w/r-22at

    power output is only 1000w. both magnetrons are working

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