Question about Bunn BTX-B ThermoFresh 10-Cup Home Thermal Carafe Coffee Brewer, Black

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My Bunn BTX-B coffee maker won't heat the water anymore. I do not hear the water heating either? I have tried emptying the water and staeting over but the heater is not coming on. Is this fixable

Date of purchase is 08/23/09 and I am mad I only got three years out off a very expensive coffeepot! Is there anything I can do to fix it?

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Timothy Croom

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The Bun BTX-B has a pair of thermal fuses located on top of the water heater storage unit. If the pot is left without use for a week or so, the thermal fuses will blow if the top of the tank gets too hot (about 150 degrees Fahrenheit) due to the evaporation of water in the storage tank. The operating directions state clearly that if the unit is not going to be used for a few days to turn off the pot. These are there to prevent a fire in case someone does not follow the direction. This is the "MOST" common form of electrical failure in these pots.

To access the thermal fuse
1. Unplug the pot and drain pot by inverting the pot in an empty sink.
2. Remove the two Phillips screws located under the water fill flipper door.
3. Gently insert a small flat blade screw driver into the front top of the lid and remove top cover.
4. Remove the 4 screws inside the water routing tank and remove routing tank simply by lifting off.
5. The thermal fuse is mounted to the top of the tank under a clip and is easily slid out from under the clip. There is a brown wire (goes to power cord neutral) and a black wire (goes into tank disk access hole). Simply measure with a multimeter at lowest ohm setting, the meter should read continuity between the black and brown wires, if it reads an open circuit, the part is bad.

A replacement thermal fuze assembly kit is available off e-bay for about $10. You can buy individual thermal fuzes and replace one of the two that is bad for about $3, but I recommend the kit for most consumers as it comes with wire crimps already mounted and far easier for the average person to simply install. Repair takes about 5-10 minutes.

Posted on Jul 24, 2015

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josephjbucci

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I just had the same thing happen. After 3 years the unit will just not heat up water. I am not too adept at replacing things so taking the unit apart would not be something I would like to try. I would appreciate other options. Getting a reduced rate replacement might be the best. Thanks for your feedback.

Posted on Nov 24, 2012

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5 Related Answers

Anonymous

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SOURCE: Bunn VPS Series Commercial coffee maker won't brew

Hello. I would like to suggest that you pour in water, with a container under the funnel, until water does come out, it sounds like the water has just evaporated too far, and it requires more than a pot to bring it to the top. In the future, if you do not use it for a day or more, you need to unplug it, or just pour a pot of water in to keep it at level, as this unit heats all the time it is plugged in, and can actually evaporate all the water away, blow the element, damage the thermostat, or worse permanently damage the unit.

here you can find the user manual:
http://bunnomatic.com/pages/techdocs/manuals/pourbrew_warm.html

Hope that helps, and thank you.

Posted on Mar 23, 2009

Gord Thurston

  • 131 Answers

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

Posted on Feb 13, 2009

Anonymous

  • 41 Answers

SOURCE: Bunn VP-17 Coffee Maker

I would suggest descaling the unit, or replacing your thermostat.
A defective thermostat would not cut out the heater after the water is boiled, excessive scale would render the thermostat ineffective, but not to the extent you describe.

Hope this helps.

Posted on Oct 15, 2008

Anonymous

  • 2 Answers

SOURCE: water wont come out of my bunn coffee maker

The first pot of water you put in the coffee maker just fills the water tank which is then heated up , once it gets to temperature you then pour second pot of water this pushes the hot water out of the tank through the coffee grounds into the waiting pot. This way you can make coffee faster than a regular coffee maker.

Posted on Jul 19, 2009

atbsmmom

  • 189 Answers

SOURCE: Bunn coffee maker leaking from underneath the bottom

Please get the model and the date code from the bottom of the machine and contact customer serivce. Depending on the date code, there might be a seal kit available or the machine can be replaced at no cost if 3 years old or less. If it is over 3 years old and the seal kit isn't available, the machine will be replaced at a reduced price.

Posted on May 19, 2010

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''
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