20 Most Recent Magic Chef MCM660A Microwave Oven Questions & Answers


A bad fuse will not cause this problem.

Magic Chef... | Answered on Dec 01, 2017


The problem may not be a fuse. Have you checked the door switch? Over time it will get dirty and prevent the microwave from turning on. You can use an electronic cleaner under pressure to clean it.

Magic Chef... | Answered on May 24, 2014


The control lock shuts down the control panel pads to avoid unintended use of the microwave oven. To unlock/lock control, the microwave must be in standby mode, touch and hold stop/clear for 3 seconds until one long tone sounds and the display clears to show an outline if the display area. Repeat to unlock control, and return display to the time of day, if any pad is touched while the control is locked, there will be no response from the microwave oven. hope this helps.

Magic Chef... | Answered on Oct 23, 2013


see the trouble chart and proceed according with common sense, use the DVOM or VOM. God bless you
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Magic Chef... | Answered on Aug 01, 2012


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

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Magic Chef... | Answered on Aug 13, 2011


that unit is 700 watts. hope this helps and please dont forget to rate me Thanks ken

Magic Chef... | Answered on Jun 06, 2011


On many Magic Chef models, press the Help button to bring up the menu. Choose the number for Child Lock (I think it's #1), then choose 2 to turn Child Lock off.

Magic Chef... | Answered on Feb 05, 2011


if theres no power theres a fuse located on the right hand side ,its at the side of the clock there obout £1.50 to replace your self

Magic Chef... | Answered on Dec 26, 2010


Yours may be here:
http://shared.whirlpoolcorp.com/product_literature/search.jsp?siteCd=MCF

If not, try customer service:
Customer Service: 800.688.1120
Canadian Customers: 866.587.2002

Magic Chef... | Answered on Dec 05, 2007


The output power is 1000W and that's near the high end for a consumer microwave. Hope this helps.

Please write back with more details if you need further help.

We do appreciate your very thoughtful rating of our answer.

Magic Chef... | Answered on Nov 25, 2007


This is the closest thing I found: https://www.manualslib.com/manual/439516/Magic-Chef-Mcsto6b.html?page=8

Magic Chef... | Answered on Jan 11, 2021


1. Open internal fuse
2. Magnetron failure
3. Door interlock failure
4. Control board failure

Magic Chef... | Answered on Nov 03, 2020


The diode converts the A/C power output of the transformer to D/C, doubling the voltage to nearly 5,000 volts. This high voltage powers the magnetron to heat the food. If the diode burns out, the magnetron won't receive enough voltage to operate, preventing the microwave from heating. When the diode fails, it is often visibly burned out. Inspect the diode and if the diode is burned out, replace it. If inspecting the diode proves inconclusive, test it with a multimeter that uses a 9-volt battery or put a 9-volt battery in series with the diode. When the leads are reversed, the diode should only have continuity in one direction. (Warning: The microwave oven can store a lethal amount of electricity in its high voltage capacitor, even after the microwave oven has been unplugged. Due to the high running voltage and the potential for electric shock, it is extremely dangerous to replace the electronic components in a microwave. Only a licensed technician should replace the diode.)

Magic Chef... | Answered on May 13, 2020

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