Question about Microwave Ovens
Not sure I understand exactly what you are being confronted with when you say the arcing occurs on the right side .. I assume that is the side that houses the magnetron and waveguide assembly.. The fact that your microwave is 1.5 years old is irrelevant unless you have extended warranty coverage. If you place a cup of water in the cooking compartment and run the micro for about 1.5 minutes do you still experience arcing? If so.. you may have a loose connection on the magnetron, a bad magnetron , filament transformer may be breaking down or any number of non user serviceable components. Unless you are properly schooled on how to service a microwave oven, you should not try the repair yourself. There are high voltage components in there that pose a safety hazard even when power is disabled. If yoyrs is a table top model, the cost to repair may exceed the cost to replace so it may not be worth it.. Hope this helps...
Posted on Oct 14, 2008
After working on over fifty microwaves in the past six weeks, the assumption is that the magnetron has gone bad. I have seen magnetrons go for $45 -$169 bucks. Depending on how much you paid for this microwave, it may be best to buy a new one. You can always chat with someone on searspartsdirect.com, and they will tell you how much a magnetron should cost for your unit.
********CAUTON******** There are High Voltages that can kill you and all types of precautions should be taken.
Posted on Sep 15, 2012
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If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently
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display is working and some of the buttons respond correctly but
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