Question about Sharp R-1870 Convection/Microwave Oven
Kindly mention few more details :-
1.Do you hear any humming noise or sound?
2. Any error message?
Posted on Sep 16, 2010
what this timer indicate from your statement is that the program will need to be reset,press on reset button to reset the timing then follow the bellow instruction to solve the problem.
1.Press the "Timer set" button and a timer indicator light will convention. If you allow five minutes to pass while setting the timer, the light will go off and you will have to press "Timer set" again.
2.Choose the "Hour" button to select the number of hours you want to set; push the arrow up until you reach the number of hours desired. Select the "Minute" button and move the arrow up to add minutes or down to subtract minutes. Press the "Start" button to begin the countdown to the amount of time selected.
3.Press the "Timer off" button to make the timer stop. When the time you set has been reached, the timer will let you know with an end-of-time tone. Most Whirlpool models will also give you a timer-finished tone every two minutes thereafter.
thank you and thanks for using fixya.
Posted on Sep 15, 2010
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Posted on Jan 02, 2017
This sounds like a bad damper switch or motor. Double check the shut off time....... see if it's actually 59 seconds..
When you unplug the unit from the wall for 2 minutes then plug it bad in, you should be able to faintly hear a motor run for a few seconds. This is the damper motor running. This will verify that the motor is operating.....
Also, check the thermistor.
Posted on Sep 14, 2009
is not a problem on the board, it 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.
See the attached sample drawing for a typical damper assembly.
We have the applicable service manuals for these models and have uploaded them to our site here and here.
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 Dec 18, 2010
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