Question about Microwave Ovens

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LG microwave (only 8 months old) worked perfectly. After move, will not turn on... no lights...nothing. Can see no visible damage where micro could have been dropped, etc. Is there a reset or fuse or something?

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There would be a fuse, a thermal fuse, and an oven thermostat, all of which could interrupt power.

But since it's still under warranty, I let the manufacturer repair it free.

For Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat 8-5 CT) and choose the appropriate prompt from the menu or visit http://www.lgservice.com.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Apr 23, 2008

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The lights and timer go on, but nothing from the fan, turntable nor noise from the magnetron


please follow this test and fix it. God bless you

  1. Check the power diodeThis electronic component is responsible for transmitting current in one direction. If the diode becomes defective it will cause your microwave to not heat. Test the diode and replace it if necessary.
  2. High voltage capacitorResponsible for storing electricity, this part is a key component in any microwave. Remove, discharge, and test the capacitor to determine if it requires replacement.
  3. Damaged magnetronResponsible for generating waves and producing heat. When your microwave is no longer heating properly, replacement will be required.
  4. Thermal CutoffsExamine the thermal cutoffs on both the magnetron and the oven itself. Take off one of the leads and using a volt-ohm meter on RX1, check the terminals. If you get a result other than zero, replace the thermal cutoffs.

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Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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How do I remove my Hotpoint microwave RVM 44004? Two bolts visible from the cabinet down into the microwave. Removed them with zero result. No other fasteners visible in top or side cabinets.


It is much easier for two people to remove the microhood. If attempting alone, please move the range out so you can get under the micro to support the weight. If the range stays in place, protect the top from damage.
1. make a landing site to the side to protect the floor when putting the micro down after removal.
2. Disconnect the power cord in the cabinet above.
3. loosen the two screws in the bottom front corners of the cabinet above. When removed the front of the micro will drop, be ready for the weight. Busy times, tools in hands microwave coming down in front.
4. tilt the front down. pull the cord out of the upper cabinet.
5. with micro still tilted down in front, lift the back of the unit upward to free it from the wall plate.
6. remove the fasteners in the wall plate and remove.
Congrats, begin celebration.

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Hello bbmasonjim,
If your micro turns on ( meaning everything seems to be working from the control panel) and you aren't getting microwave energy to heat food..you may have any number of damaged or defective components : Magnetron Tube, Filament Power Supply or HV Capacitor.. None of which are something the untrained person should mess with. Even unplugged, there is High Voltage potential inside the electronics compartment. If it is less than a year old, it may still be under warranty.. otherwise.. the cost to repair would probably be higher than the cost to replace..

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

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