Question about Microwave Ovens
I have a GE Profile Oven, PT916S M2SS. I have replace the control panel, fan, and 2 control limit switches. Appears the fan was not working and over heating the control panel. it is now showing a PrF code but only when I cook something in the wall microwave right above it. Only way to reset it to allow the key pad to work on the oven and to turn the breaker off and then back on. Not sure anymore parts to replace. Help please.
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Posted on Jan 02, 2017
The rectifier diode could indeed be bad. But first I would want to know what value (in uF) the old one was and what is the value of the new one? If they're too far off, the difference in the capacitive reactance could throw off the "tuning" of the circuit. The uF value of the capacitor is optimized in relation to the other components used in the system. Of course, you'd also want to be sure your new cap is at or slightly above the working voltage rating of the old one, too.
Posted on Jan 05, 2007
Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part (such as a shorted diode)
In this case, I would suspect the primary interlock door switch.
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
There should also be a a very helpful "mini-manual" hidden inside the unit behind the control panel. It's very helpful when troubleshooting.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Jan 12, 2008
Your membrane keypad is wearing out.
If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.
The keypad is part number WB27X10171 and you can get it here for $91.68 plus shipping.
If you would like to have us do this repair for you, we do that for $39.95 plus part costs nationwide.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Jan 31, 2010
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Here is a tip that will help you to figure out what is wrong with your Microwave Oven....
Microwave Oven Basic Troubleshooting Tips
Posted on Aug 07, 2010
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