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Lisa Huffman Posted on Apr 03, 2019
Answered by a Fixya Expert

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I completely cleaned my bunn and ran cold water through it several times when it was unplugged. Shortly after plugging it in to heat up the water tank again (and without adding more water), it began leaking out the top and dripping through the spray head into the coffee pot. It was doing this before cleaning as well, which is why we cleaned in the first place. Any idea why heat or electric would cause this problem when it was fine before being plugged in?

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Mathew

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  • Expert 182 Answers
  • Posted on Apr 03, 2019
Mathew
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A model number would be nice but since all (drip) coffee makers are generally the same in principle I'd wager it's your temperature sensor (underneath the heating plate) or when you plugged it in voltage escaped through the switch causing the unit to be 'on'. Think of a coffee maker like the first 1/2 of a steam engine. Water from the reservoir gets converted into steam by a burner (also warms the heating plate for the carafe) and instead of the steam driving components it gets condensed above the coffee grounds. Without that temperature sensor the burner would be going 'full blast' all the time and burn your coffee which is why a broken sensor will cause a 'no heat at all' issue while a failing one can give false signals to the control board. I hope this narrows down your issue and good luck!

5 Related Answers

Anonymous

  • 667 Answers
  • Posted on Jan 11, 2008

SOURCE: I forgot to place my coffee filter back in the coffee maker

Just an idea, but you could use a turkey baster to remove some of the water first. I doubt if you've harmed the coffee maker.

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Anonymous

  • 131 Answers
  • Posted on Feb 13, 2009

SOURCE: bunn commercial coffee maker plug overheats, no hot water

Most likely this is your heating element, but it could also be your main thermostat

cactus bob

BOB BROWER

  • 267 Answers
  • Posted on Mar 05, 2009

SOURCE: Coffee pot

durabrand has no contacts outside china this is a unit made for and imported for walmart only walmart is the only contact ...... your problem is not anything you or walmart can do anything about the problem is the cheap plastic that is used , when it gets hot some people can taste and smell it and others cant . .. its getting more common in everthing that heats water .. personaly i would not drink anything from an appliance that puts a plastic taste in my water ..... if you move up in price the problem is reduced , better plastics are used , but your not going to get one for 10.00 ! "you get what you pay for " more now than ever .... good luck Please if this answer helped , please rate this 3 or 4 stars . and keep me in the paid answer department . A 1 or 2 may knock me down into the unpaid ranks. Thanks Cactus Bob

Anonymous

  • 1 Answer
  • Posted on Oct 13, 2009

SOURCE: The cleaning button keeps flashing after cleaning.

We have this problem as well. We simply clean it as directed once or twice with the vinegar and water mix and then unplug for an hour. This resets our machine for several weeks. Based on the number of comments I've seen on this issue, it seems that the "off" sensor doesn't work.

MotoGenius

Motorola Mobility

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  • Posted on Oct 31, 2012

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    SOURCE: Bunn Coffee Pot Leaks Water

    Or call bunn to get it for free due to recall

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