Question about Sharp R-1480 Microwave Oven

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For safety reasons must I replace the door of my Sharp R-1490 above range microwave when there is a crack that is on the front panel of the door that is 3" in length and runs from the bottom left of the frame panel to the corner of the visible glass window of the microwave door? The cost online for a door appears to be about $150 with shipping. An installed over the range microwave would with installation would probably run me $300-400. The microwave was made in 1999. What are your thoughts and things I should consider on this matter?

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Buy another microwave !!!!! its gonna be sooooo much cheaper

Posted on Sep 05, 2009

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How can i replace the front door panel that has cracked at handle . it is whirlpool microwave above range style







I advice you to take it to a repair centre. There should not be a micro wave leak after replacement. leak is harmful !

Dec 10, 2014 | Whirlpool Microwave Ovens

1 Answer

A plastic container with hidden piece of metal caught fire in my Sharp r1490 and burned with a big flame. Several small holes were burned in the ceiling panel. Are we in danger of radiation exposure/ is...


The microwave oven is not safe to use, the fire has compromised the interior of the oven, if you run the microwave it will start to arc and eventually short out the magnetron, because the white enamel paint has been burned away. If you have holes in the ceiling there is danger of radiation leakage, for safety reasons the oven should be replaced.

Feb 23, 2011 | Sharp R-1490 Microwave Oven

1 Answer

Humming noise and does not heat and burning smell


This is happening due to either the magnetron, or the Power Diode, or both, is breaking down, under load, then the unit detects the fault condition, & then, for safety reasons, to avoid a fire or explosion, shuts down the system. You need to take it in to be looked at please obtain a "Quote" before proceeding with any work. This way you can decide to repair or replace.

Jul 17, 2010 | Sharp R-1490 Microwave Oven

1 Answer

Faceplate of door by lower L/H hinge cracked. How do I remove the door to replace the Faceplate?


Front doors are attached inside the microwave at the top and bottom of the oven cavity. Top case has to come off using, likely, security torx screw drivers.
Remove the top hinge.
Remove the bottom hinge.
Door falls off.
Replace the front panel of the door.
Reinsert the lower hinge with the door, close and latch the door.
Holding the door firmly to the microwave, tighten the door hinge. Replace the top hinge.
(On some units, both hinges need to be installed at the same time. Use masking tape to hold the lower hinge - makes it easier.)

Apr 19, 2010 | Sharp R-1490 Microwave Oven

1 Answer

How do I remove an over the range Sharp R-1490? I have no user guide and can't find a free one online.


Here's a link to the instructions for mounting the unit on the wall. Take a look at the section that shows 2 arms protruding out into the microwave2_bing.gif where the microwave is secured by a bolt. Have you removed these bolts? If so, the microwave should pull out. Here's the link to the guide:

http://www.microwavedisplay.com/r1490_r1600_r1750_r1870_r1871_r1872_r1874_hood_inst.pdf

Good luck!

Mar 07, 2010 | Sharp R-1490 Microwave Oven

1 Answer

Sharp Microwave Lights Up, But Won't Rotate or Cook


Hi. I would suggest checking out the door switches. There are usually 3. If one of those has failed then the microwave won't operate because of safety reasons. Best to replace all three. If the display on the unit is still fully operational I'd say go for the repair.

Mar 18, 2009 | Sharp Microwave Ovens

1 Answer

Sharp microwave quit working


Obviously there was a serious short circuit in this unit which is not normally serviceable by anyone but a factory technician. Since this would not be cost effective, I suggest you replace the oven. New ovens are quite reasonable and have many great features.

Ray

Nov 23, 2008 | Sharp R-1490 Microwave Oven

1 Answer

Noisy microwave not cooking


Is it making a louder than usual; buzz or hum when you try to cook?

If so, I would suspect a shorted high voltage diode ore a bad magnetron.


-.htmHere are some links you or someone you know can use for test help, but read
their safety warnings first:






line-height:normal">mso-fareast-font-family:"Times New Roman"">http://www.microtechfactoryservice.com/diode.html



line-height:normal">mso-fareast-font-family:"Times New Roman""> http://www.microtechfactoryservice.com/mag_test.html



line-height:normal">mso-fareast-font-family:"Times New Roman""> http://www.microtechfactoryservice.com/xformer.html





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We have the service manual and I have uploaded it to our site for you here.


-.htmPlease reply back here if you still need help.

We\'re happy to help and we appreciate your thoughtful
rating of our answer.

Jul 12, 2008 | Sharp R-1490 Microwave Oven

1 Answer

Fan runs when door is closed, but no heat.


It's probably a bad door switch or switch mount. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk Feel free to contact me directly if you have further questions. I appreciate your thoughtful rating of my reply.

Jun 20, 2007 | Sharp R-1490 Microwave Oven

1 Answer

Sharp microwave R1940


The latch head (the assembly with the hook-like parts sticking out) also has a spring which secures it to the inner door panel. The inner door panel or latch head has a broken spring mount. To repair this, the door panels will have to be separated. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find a helpful exploded view diagram of this model at http://www3.sears.com You can order parts for Sharp models from Tritronics at http://www.wehaveparts.com.

Apr 13, 2007 | Sharp R-1490 Microwave Oven

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