This is a combo electrical/appliance
Microwave and under the cabinent halogen lighting on the same circuit are malfunctioning. The lights don't come on. I checked the bulbs and a couple appear to have dark spots but the filaments are intact. Are they like Xmas lights when one goes thy all go?
The microwave underwood lights stop working so I changed a bad bulb and as well the unit did not heat although the panel command worked. Tray rotated but no heating. Then miraculously the unit started working but the lighting did not function correctly. It has a dual function "nightlight" function as well as on/off switch. Only the nightlight function was operational. But the heating was going well.
Last night th front panel stopped working but came back again this morning. I used It to heat some coffee in a paper cup and it heated but burned the cup. It also sounded funny and the rotating plate did not rotate. I came back a short time later and the lights were out on panel again.
I checked the motor under the unit with my ohm meter and it is not open. I checked the fuse and it is also not open. I put the fuse in and after putting panel back on the lights are back on. The unit heated the same cup without burning it but the tray does not rotate. The unit is also showing ohm reading through the cord which before I pulled the fuse out it did not. So...whew...the nit seems to be functioning but here are my issues/??
1. The non-rotating tray.
Could it be breaking? It is a replacement of about a year old. I see a on/off relay for the tray motor. Should I trace the wires to it to SE if it's bad?
2. Is the burning cup an indication that this unit is going bad or becoming dangerous?
3. Is there some relationship between the lights and microwave both having problems. The breaker is not tripping. I have not looked at it to SE if it's damaged in some way. I have had some breakers blow intermittently?