Question about Sharp Microwave Ovens
Microwave built-in yr-1996 what is the cubic foot capacity of sharp model r-1471
Posted by Anonymous on
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Posted on Jan 02, 2017
You can check the protection diode fitted across the highvoltage capacitor near to the Highvoltage transformer. If it is shorted there is a chance to blow off the fuse. There is no chance for the monitor switch. Any way you can check the monitor switch which is located near to the control panel( Near the door switch)
Posted on Jun 04, 2009
The Arcing is a real bad sign, and you see the "Brain" has detected a fault condition, most likely the Power Supply and or magnetron, or High Power Diode, has "Faulted" and it shuts down for Safety reasons. Due to the danger existing inside MW, I recommend that you have it serviced by a qualified person. Always get a firm "Quote" before proceeding with any work. Be careful, as often a repair may cost as much as a new one.
Posted on Mar 13, 2010
Testimonial: "Thanks for the insight. We will definitely look into the items listed and have it looked at by a qualified repair tech."
SOURCE: 15 year old sharp carousel
If everything works, but the microwave oven does not heat, this is commonly caused by a failed magnetron. The magnetron is essentially, the heart of the oven that produces the RF energy that is used to heat your food. In order to replace a defective magnetron, you will need to consider the following:
1. You will need to uninstall the oven from over the range in order to replace the part (you will need to do this anyway, if you decide to buy a replacement oven).
2. Ensure the oven is UNPLUGGED before servicing anything inside the cabinet and remove the exterior case in order to access the magnetron. There are several websites that you can use that illustrate how the oven is assembled:
searspartsdirect.com pcappliancerepair.com appliancepartspros.com
NOTE: If you've never repaired an appliance on your own before, a microwave oven is usually not a recommended appliance to start with. Some models can be rather involved in taking apart.
3. The magnetron replacement part number for the model you have listed is 505137 and is listed as item 1-12 in the parts index. It costs about $100. 4. This model also has a thermperature fuse, listed as item 1-10 that can also cause the same symptoms if blown. The fuse is essentially a thermostat acts as a fuse if the oven cavity overheats. The part number is 46-1518457-3. You will need to remove the thermostat from the oven and take a resistance check across the component terminals to determine if it is good or not. A low resistance reading indicates a good thermostat. An infinite reading, indicates a blown thermostat and needs to be replaced. The average replacement cost is about $10. I would recommend you check all fuse associated with the oven before assuming the magnetron has failed.
Review the parts illustrations at the recommended websites to see if this is something that you may be able easily take apart and reassemble.
If you have any questions, please post back and let me know. I hope you find this information helpful.
CAUTION: DO NOT operate a microwave oven with the exterior cover off. The voltage inside the High Voltage network where the magnetron is installed can exceed 3,000 volts!
Posted on Dec 26, 2010
SOURCE: We have the GE JVM130H
Hi, W/D here.
Here's an easy way to calculate your cubic feet: measure and multiply (in inches) the width X depth X height, then divide by 1728. This will give you cubic feet.
For example, if a microwave measured 18" wide X 18" deep X 12" high, it would be 3888 cubic inches; divided by 1728 (cubic inches in one cubic foot) = 2.25 cu.ft.
Best regards, --W/D--
Please take a moment to rate this solution. Thanks. --W/D--
Posted on Mar 19, 2011
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