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Micro/convection stops every minute

I have a convec/micro model r1870 and ity stops every minute on the dot why? I have an Amana ACO1180AB in my RV. It also stops every 59 seconds. The RV Manufacturer has gone out of business and I have no manual. Does anyone know where I can find a manual, it's not available on the Amana site. If someone has a suggestion on how to correct the problem with my Microwave/Convection oven Id love to hear from you. Thanks

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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 could be jammed.

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.

Many models stop after 59 seconds if there's a problem with the damper saystem.

See the attached sample photo for a typical damper assembly.

We have the applicable service manuals for your Sharp model and have uploaded them 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. You can also call them at 866-779-5835.

For the Amana, There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

You can find helpful exploded view diagrams and order parts for the Amana by entering your full model number here.

The Amana's damper switch is called "interlock switch" and is located at ref# 15 in drawing #5. The damper motor is ref # 22.

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.

micro/convection stops every minute - fe9eef6.jpg

Posted on Dec 02, 2008

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1 Answer

I have a Sharp R1870 micro/convection unit. unit kicks off after 60 seconds. have to restart then kicks off again in 60 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.

I have the applicable service manuals for these models and have uploaded it to my site here and here to help you.

Please include FULL model number*, FCC ID number*, + detailed symptom information. ( * on the tag in cooking cavity or around door frame or control frame or on back)

William E. Miller, AS-EET
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"


damper_assy-a2vvqv0uixnfrn102tdmy5ix-4-1.jpg

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My sharp microwave/convection oven come on, clock counts down but it does not heat nor does the turntable turn. About a week ago the breaker was tripped by it I think but it was fine until now. It doesn't...


Hi,

It sounds like one of the door micro switches is bad. There are three micro switches typically. A primary interlock, a secondary interlock and a monitor switch. It is most likely the primary or secondary interlock switch. You may need to take your switches to a professional appliance shop to determine which one is bad.


Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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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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Our microwave/convecton turns itself off after about a minute


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.

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.

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1 Answer

The oven/microwave turn off after about a minute


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.

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.

Feb 05, 2009 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Micro/convection stops every minute


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.

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.

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