Question about Microwave Ovens
It did allow me to punch in time and power, then wouldn't start.
Opened, closed it and then it just turned on and wouldn't turn off.
(well, fan and light were on, I assumed microwaves were happening)
The only fix we could do was unplug it. So is this worth repairing the main circuit board, or better to just get a new one? I was told the part would probably be $150.... I would prefer to repair the old than get a new, but would love to hear a "pro" on this.
is usually caused by either a bad door switch, a loose door switch
mount (which are pretty simple problems to fix) or occasionally a
problem on the control panel.
Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.
There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.
The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.
Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.
If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
There may also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.
If you only need a switch, you can order a universal type from us for $5 postpaid.
If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller
Posted on Nov 09, 2008
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