Question about Bunn CWTF 15-3 Coffee Maker

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Our Bunn CWTF15 three burner is over filling. What can we do to correct this problem?

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There is a timer inside the front panel re-just the timer with an empty coffee pot right up to the top edge with water only.
if not successful let me know and I'll go further with your email address
God Bless have a nice day.

Posted on Jul 02, 2009


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Posted on Jan 02, 2017


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1 Answer

My bunn cwtf15 won't put out hot water from tap, and won't brew hot enough water even after adjusting thermostat?

your thermal fuse has blown. it's in what is now brown tubing and is located in the top right rear of the machine. remove the top lid, remove the trough drain nut and trough to get to it. you can either bypass it with a jumper, or call (800) 352-BUNN (2866)

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Bunn model cwf15 overflows

There are several reasons why it could overflow. Check to make sure you still have the spray head on the unit. If you do, the level might be set wrong. Reset the level and see if that corrects your problem.

Feb 11, 2013 | Bunn CWTF15-TC

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Just installed a Bunn cwtf15-3 Brewer. The water in the tank does not heat. Rear switch is on and the ON/LOWER switch is turned on and water does fill the tank. Coffee container will fill when the start...

Remove the front panel and make sure the pressure stat is turned up to max and back it up 1/4 way. If you have done that already then remove the top and check the thermostat and the inline fuse.

Jan 18, 2011 | Bunn CWTF 15-3 Coffee Maker

1 Answer

I have cwtf15-aps older model. Device is wired and plummbed in. lights are working but i get no hot water. Has not been used for about 3 years.

thermal fuse is blown. it is located in the top, right rear of the machine in what is now browned tubing. you can either bypass the fuse with a jumper, or get a new part through bunn (800) 352-BUNN (2866)

Dec 12, 2010 | Bunn CWTF15-TC

1 Answer

Pot only filling half way

If pot used to fill all the way then check the filter if one is installed and the restrictor on the back of the tank, you can also run the deliming spring through the brew tube.
If the pot never filled all the way then remove the front panel and use the instructions to reprogram the brewer.

Sep 24, 2010 | Bunn CWTF15-TC

1 Answer

Our Bunn CW series three burner is over filling. How to correct the problem??

needs service tech to adjust.

(Do it yourselfers can adjust the black knob down from 2.5 to about 2 mins. Digital timers have instructions in back of the front panel. CAUTION!! There is high voltage present. Pull out the plug! Safer to just have it serviced.)

Feb 03, 2010 | Bunn CWTF 15-3 Coffee Maker

2 Answers

Bunn model CWTF15 brews coffee but coffee not hot enough

Check the setting on the thermostat behind the front panel, it might not be set correctly, turn it all the way high the back 1/4 turn.

Nov 05, 2009 | Bunn Automatic Coffee Brewer CWTF15 1

1 Answer

Not enough water to fill canister

You might have to descale the boiler on your bunn coffee brewer, If you have the patience I can walk you through it.

Mar 22, 2009 | Bunn CWTF15-TC

2 Answers

No coffee.....but hot water spiggot is OK.

yes there is clogged inside its either the hose or the keypad / connection of the control is corroded.

Mar 09, 2009 | Bunn CWTF15-TC

1 Answer

Water over filling pot

The procedure for setup of this coffee maker can be found here -

Please email if you have additional questions.

Feb 02, 2009 | Bunn Automatic Coffee Brewer CWTF15 1

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