Question about Microwave Ovens
The first thing to do is disconnect power immediately. If there is arching and bad burnt-plastic-like smell, means that there is a problem, and that if the oven is used in this condition, you may get further damage to the appliance, or there may be heath concern for the user.
You get arching inside microwave when inside the cavity there is a strongly conductive object, such as a metal object or carbon residue.
You also get arching when the oven cavity is damaged.
In that case the cavity may have lost insulation, and it is better having the oven repaired by a technician, that will also conduct a radiation leak test on the appliance to prove its safety.
To attempt fixing the problem, do the following:
Disconnect power cord.
Check inside the oven cavity, ensure that there is no foreign object inside (such as a small screw). Check also under the turntable.
Check that the light and the magnetron covers are well in place.
Clean the cavity thoroughly, clean also the lamp enclosure if this can be accessed. Carbon residue from food may be causing the arching.
If after cleaning the arching is still there, that means that the cavity is damaged. In that case better calling a technician.
A damaged microwave may loose insulation , and this may be very dangerous for health.
If you want to contact a technician, the best thing to do is ringing the phone number listed on the appliance owners manual.
Posted on Feb 05, 2010
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Posted on Jan 02, 2017
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