Question about Hotpoint Microwave Ovens
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Posted on Jan 02, 2017
SOURCE: GH7145XFB-1 not heating properly
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 conneciton on the control unit circuit board
- bad magnetron or other high voltage part
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, linked here on Fixya: http://tinyurl.com/yzjozk
Posted on Nov 17, 2007
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
I'd say you have a contaminated or failing keypad or possibly residue on the boar dor where the keypad connects to the board.
Is it possible that some spray cleaner got into the controls?
I always recommend that users instead spray cleaner on a soft cloth then wipe the control panel.
Also, I always recommend non-ammonia cleaners since ammonia can crack and damage plastic.
Otherwise, the spray can get into the controls and lock it up or make it act odd.
If it does not dry out over time, it may need to be manually dried or blown out.
The keypad may be damaged or worn out, or control unit may be damaged.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Nov 26, 2007
Assuming your inside light and
turntable come on when you try to microwave, with the symptoms you have,
I would most strongly suspect a bad magnetron or a loose and possibly
corroded connection on the magnetron's terminal.
If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.
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.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
(if it's not shorted or burned, it'sprobably okay)
The best place to order parts for this brand is Encompass (formerly Tritronics).
Or you can call them toll-free at 866-779-5835.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Feb 08, 2009
I have not solved my problem,I have decided to buy a new microwave rather than pay for this amount of money on a telephone advice when you have said on your site that it is free.I will also spend further amount of money, to call an electrician after your advice,so I will be better of buying a new one.
Posted on Jun 11, 2009
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