Question about Sharp R-1850A Convection/Microwave Oven
Sharp R-1850A every thing works but the microwave portion of the oven. Functions work but will not heat up a cup of water.
We have service manuals at our site which will help you:
Some questions to ask as you or someone you know checks it out.
When you try to microwave are the inside light, internal cooling fan and turntable all working?
If not, then it may be as simple as a door switch.
If so, then it may be a bad magnetron. It can be tested.
Is there any unusual noise or is it louder or quieter than normal?
A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.
We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are working.
You can order parts for this from Encompass here or call them toll-free at 866-779-5835.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on May 16, 2010
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Posted on Jan 02, 2017
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