Question about Roper MHE14XKB Microwave Oven

1 Answer

No heat in microwave

No heat , all lights work, fan also works clock ect. I have changed the
2 fuses 250 vac 10 amp ,still no heat My microwave doesn't heat. All else works (clock, lights, fan, etc.)

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  • 2 more comments 
  • tvcallaway Nov 21, 2008

    no heat in microwave problem

  • Anonymous Jan 11, 2009

    I have the same problem but the turntable doesn't work and it doesn't heat. Everything else works.

  • dna42754 Mar 19, 2009

    same problem here.everything works but the turntable and there is no heating.help?

  • William Miller
    William Miller May 11, 2010

    When you hit Start to cook, do the inside light and turntable come on?

    Any unusual noises? Is it louder or quieter than usual?

    Is the model number MHE14XKB as per the question's category?

    These answers will help me judge whether it's in the high voltage
    section (magnetron, transformer, or diode) or the control section
    (door switch or control board relay or connection).




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  • Roper Master
  • 19,396 Answers

Test the high voltage capacitor, the rectifier diode.or the magnetron.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

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