This has been a problem since we installed the microwave but we had purchased it while remodeling and it was out of warentee by the time we installed the microwave. The whole microwave goes blank until it has had the time needed to come back on then the clock comes back blinking to be reset.
Had a similar issue I found the unit was overhaeting and if I ran the air vent while in use it helped cool it is this a non-vented system mine is
SOURCE: Microwave runs for approx. 3 minutes then every thing goes blank
These are two different problems, so I will address them separately:
FOR RSM1958:
Sadly, we hear of this over and over.
This is usually due to a defective or loose magnetron causing electrical interference and disruption in the control circuit board.
If your magnetron was recently replaced, it may have loose mounting nuts or bolts or maybe the wire mesh RF gasket was not installed or got pinched.
It may also need a new high-voltage diode and stirrer, and the cavity may be affected.
GE had a campaign (but not a recall, mind you!) covering several models.
Details are in their bulletin at http://207.234.249.73/mwd/ge_mw_mag_kit_bulletin.pdf
Even if your model is not on the list, the same problem can occur, requiring a kit. I just think the difference is that GE has stopped paying for the repairs.
The parts kit (that GE used to pay for) is part # WB27X10489 and is shown here: http://207.234.249.73/mwd/wb27x10489_ge_mag_stir_kit.jpg
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: http://tinyurl.com/yzjozk
There should also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.
You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
We're happy to help and we appreciate your thoughtful rating of our answer.
FOR JYVIBAR:
Please reply back (contact me directly http://tinyurl.com/yzjozk ) and let me know when and how it is failing.
It may be failing when you open or close the door, when you hit the Start button, a few seconds after you hit the Start button, etc.
SOURCE: clock frequently goes blank and needs to be reset
You have a faulty display module due to one or more components leaking. Some models have a seperate display module that can replaced without the complete board having to be replaced. If not, the board needs to be replaced. You need to ask your spares suppliers that have info. on that model.
SOURCE: Just purchased a sunbeam over-the-range microwave,
Generally the charcoal filter mounts above or in place of the metal screen covering the air intake on the bottom of the unit.
clarkco
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