Question about Sharp R-1870 Convection/Microwave Oven
This microwave is in my 05 rv. last 2 times we went out when we use mic or oven it will stop at 59 sec and you have to push start again, this goes on for the full time you set it on. hit start every 59 sec. i can't find a reset button to see if that would help
is a problem in one of the damper-related components, either the switch
or motor or the damper door may be binding.
The damper is a door inside that opens or closes depending on cooking mode. If the controller senses that the door is not in the right position, it will shut down the cook cycle.
Sharp models stop after 59 seconds. That's the giveaway.
See the attached sample drawing for a typical damper assembly.
We have the applicable service manuals for some of these models and have uploaded them to our site here and here to help you.
Hopefully these cover your model number, which you didn't mention.
If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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