Question about LG LRM1250 Microwave Oven
After entering number's on keypad I hit 'Start' and there was a noise inside microwave "Fatt" (same like how capacitor explode).
Now microwave lights come on, also it spins, but does not heat up.
I checked the capacitor which looks ok (no leaking).
Device is out of warranty.
Could some one help me on this?
Chances are you have shorted or blown high voltage rectifier diode.
Here is a link you or someone you know can use to test it, but please read the safety info:
To order Goldstar / L.G. parts, visit Vance Baldwin Electronics.
For more 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 here.
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Posted on Nov 23, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
May 10, 2014 | Microwave Ovens
Apr 14, 2013 | Kenmore 62622 Microwave Oven
It sounds like the magnetron may have
either failed or is not being supplied with the extremely high
voltage required to run it.
SAFETY IS PARAMOUNT
This is a job for a professional but if
you are safety clued up, here's instruction.
Make sure the !!!!any capacitors are discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 or moving coil meter on high resistance range for short circuit, (DVM's won't show the fault!), the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.
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