Question about Whirlpool MH2175XS Microwave Oven
We have a Whirlpool Mircowave and an Oven combo the model number is RM770PX802. We received this from a friend. They said it works but don't know anything about it. I have an electrician friend who is installing it now. The Microwave has power and works fine. When he put full power hook up there is no power to the oven. He thinks it may be an inline fuse or a control fuse or a control transformer for the oven. What do you suggest as to how to troubleshoot this. We don't have a manual thanks. Tina (we are trying to get a transitional house going here for people getting out of prison and are running out of money so this help will be great.
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Posted on Jan 02, 2017
You can find exploded view diagrams and order parts here: http://tinyurl.com/gv383 The most likely causes are: diagram 5, ref. 5 fuse diagram 7, ref. 2 thermistor diagram 2, ref. 5 control board If it's a problem with the control board, we repair them nationwide for $32.50. We also have important safety and disassembly information we recommend: http://tinyurl.com/yzjozk
Posted on Feb 04, 2007
The most common causes for a lack of heating are a bad door switch, a loose connection on the magnetron, a bad magnetron, bad connection on the control circuit board, a bad relay on the board, bad high voltage diode, or bad high voltage transformer. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383
Posted on Sep 28, 2007
In some Whirlpool models, there are more than one fuse, and two or more thermal devices which can interrupt power to the oven.
There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.
You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.
Please write back with more details if you need further help.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Mar 02, 2009
There are two screws in the vent cover (grille)that goes across the top remove those and the vent cover and you will see one screw in the top of the control panel remove that one,grab the panel slide it up and pull at the top,it hinges downward toward you and will stay there till you get the wires marked and removed from the board.
Posted on Sep 13, 2009
Testimonial: "TomZS - thanks, you were spot on. Four screws in the top on this model. I was able to get at the control panel. Sadly there was no obvious failure."
with any luck you have just poped the inline fuse,
if you remove the control board you should be able to see the tube fuse up by the fan motor
if not the whole thing will have to come down to reach it
Posted on Oct 14, 2009
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