Question about Microwave Ovens
SOURCE: What would cause the control
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Posted on Nov 01, 2009
Yes. You need to clean it, sand it shiny, then clean it squeky again.
Then you can get high temperature appliance paint in spray on brush-on form from local appliance part store or places like Wal-Mart and Lowe's.
I would suggest you let it dry overnight with the door open before using the oven.
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Posted on Feb 17, 2008
there's no obvious removable cover over the bulb (and the owner's
manual doesn't address it) some disassembly may be required.
Always unplug a microwave before removing or installing any bulbs.
If it's an over the range type, remove the vent grille across the top and see if bulbs can be accessed there. There may be a panel on the bottom covering the light(s), instead.
If not, chances are you'll have to remove it from the wall, then remove the outer cover. If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.
If you don't have your instructions, please reply back with your brand and model number.
Once it's out of the wall, the outer cover (wrapper) will need to be removed, just as you'll need to do on a counter top model.
On a counter top model, be sure it's unplugged, but otherwise ignore the instructions above this paragraph.
The screws you need to remove should be pretty obvious, but a special driver (such as a T20H Torx type or GTXH20-100) may be needed.
Be sure to put all the screws back in the right holes, since some may be special grounding screws.
Bulbs can be had in most grocery stores, hardware stores, home improvement centers, and big box or department stores.
Many models use halogen lamps. You must not touch the new one with your bare skin, as the oils will shorten the bulb life.
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Posted on Sep 16, 2008
SOURCE: Microwave Does Not Heat.
Test the high voltage capacitor,the rectifier diode.or the magnetron.
If it additionally does not spin and no light, then check also the door switch.
The diode and capacitors can br tested. The capacitor must be alloweddischarge before testing, or you risk to get electrocuted, even ifpower is off. Capacitors can get discharged by shorting their twocontacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.
All locations, and description of this parts can be located using the diagram here: Counter top.
Parts must be tested to find out what is wrong.
Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.
Regarding parts, contact the seller here to purchase parts. (here in UK).
Posted on Apr 27, 2009
I have found that the common cause for this problem is either the 'High Voltage Fuse (HV fuse)' or the 'Magnatron Assembly'. In some instances it can easily be both.
My advice is to read throughly how to discharge a 'High Voltage Capacitor (HV capacitor)' to avoid any injury or worse yet, death.
After doing so you can find the HV fuse runing from the HV capacitor, it will be inside a small plastic casing, you will be able to see with the naked eye if it has blown. If so, replace it.
As for the magnatron Assembly, it looks like a large silver cube with a series of magnets inside it, they are not as easy to test to see if they are faulty or not so if the fuse doesnt repair the issue, replace the magnatron assembly as well. I hope this offers some help. Good luck.
Posted on Mar 21, 2010
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Posted on Jan 02, 2017
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