Question about Mr. Coffee JWX27 12-Cup Coffee Maker

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Heating element replacement

Green lites come on, unit doesn't start up

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Yes, it does sound like the heating element needs to be replaced. However, this coffeemaker is not built to be serviceable in that regard.

I recommend replacing the coffeemaker.

In the future, make sure you do not add water to the reservoir unless the coffeemaker has been turned of for at least five minutes. This will help prolong the life of the heating element.

The heating element will naturally degrade over time. But, it can incur sudden damage when the reservoir is refilled with water too soon - while the element is still hot. Because of the simple design, if the coffeemaker is on, then both the warming plate's heating element and the reservoir's heating element are on. So, after a brewing cycle is complete, the reservoir's heating element stays on. Without any in the reservoir to keep it cool, the heating element superheats. So, if water is put in the reservoir while the coffeemaker is on or before the element has adequately cooled, the sudden burst of steam from the water contacting the element can be quite violent.

Posted on Oct 25, 2014

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Posted on Jan 02, 2017

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