Question about Sharp R-1480 Microwave Oven
Regardless of the setting our Sharp R-1870 microwave/convection oven stops at 59 seconds. You can restart the cooking process by pushing the start button but will only go for another 59 seconds.
Wow. I just read something ridiculous!
Well, never mind that, here's your solution:
This is a common problem in one of the damper-related components, most likely the switch, but it may also be the motor or the damper door.
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.
See the attached sample photo for a typical damper assembly.
We have the applicable service manuals for these models and have uploaded it to our site here and here to help you. You will need the free Adobe Reader to view or print it.
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.
Posted on Jan 29, 2009
There is a settable counter or section of a custom IC that has failed and you will probably have to replace the entire board since most parts are robot installed and near impossible to replace by hand any more.
You may be disappointed when you learn the replacement board cost; they frequently make a repair economically foolish.
Pulling the plug and examining the board should let you find the part number for it so yu can either search on line or call Sharp to find the cost.
Posted on Jan 26, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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