Shuts off after 59 seconds
SOURCE: Sharp R1870
This
is a 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.
The best place to order Sharp parts is Tritronics.
If you only need a switch, you can order one from us for $5 postpaid.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller
[email protected]
http://www.microwavedisplay.com
SOURCE: Sharp R-1870 stops at 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.
SOURCE: Sharp R-1874 shuts off after 59 seconds
I had the same problem. Turned out to be the micro switch and damper motor. I replaced both myself and fixed the problem for less than $40.00. The best advice I got was replace the switch, reconnect the motor and make sure the motor runs through a damper door cycle. It didn't run, even though it showed continuity and had power, so I replaced the motor which solved the problem. The micro switch which is activated by the cam on the damper motor has to be cycled within one minute, or the unit shuts itself off. The damper motor on my model R-1870 is found in the right rear section of the assembly when facing it. You have to remove the unit, and remove the outer casing to get to it. The damper is a simple sheet metal door, activated by the motor, and the switch mounts at the top of the motor and is activated by the same cam that activates the door.
SOURCE: Sharp model R-1871 shuts off every 59 seconds
This
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 it to our site here and here to help you.
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
[email protected]
http://www.microwavedisplay.com
Testimonial: "traced to motor for damper. Would not have had a clue without this information provided by fixya"
SOURCE: Amana OTR Convection Microwave runs 59 seconds and shuts off
This sounds like either a thermistor or a damper switch/motor problem.
Amana's technical support line is 866-426-2621. This is the commercial side but they should be able to get you in touch with the domestic side.
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I bought a Sharp Microwave Oven with Sensor, Grill and Convention functions, R-967(SL)M, a few years ago in London, United Kingdom. Problem: Now, each time the timer counts down to 1 second (for example, 1 sec. or 2 mins. 1 sec. or XX mins 1 sec.), the heating function just stop as long as the timer shows 1 second. In addition, I relocated to Hong Kong and the local Sharp customer service refused to provide any repair service (even if paying!) since I did not buy the product model in Hong Kong! The warranty period has ended, hence there is not an issue with warranty service. Appreciate if any expert(s) out there could kindly provide assistance or at least offer a direction/suggestion which I could pursue to get the appliance back to working again. Thank you!
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