Question about Roper MHE14XKB Microwave Oven
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.)
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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