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Adjust bunn coffee maker water level - Bunn CWTF15-TC

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Inky Fingers

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To adjust the brew volume/batch size you will need to access the main circuit board behind the front panel. Isolate the machine before removing panels.

NOTE: Check that the brewer is connected to water supply, the tank is properly filled and a funnel and server or decanters are in place prior to setting or modifying batch sizes.

  1. Modifying batch sizes: To modify a batch volume, first check that the SET/LOCK switch is in the "SET" position on the circuit board. If the brewer has a batch selector switch, position it to the size to be changed. To increase a batch size: Press and hold the START or BREW switch until three clicks are heard. Release the switch (Failure to release the switch within 2 secs after the third click causes the volume setting to be aborted and previous volume setting will remain in memory) and press it again one or more times. Each time the switch is pressed, 2 secs are added to the brew time period. Allow the brew cycle to finish in order to verify that the desired volume has been achieved. To decrease a batch size: Press and release the START or BREW switch once for every 2 sec interval to be removed from the total brew time period; then immediately press and hold down the START or BREW switch until three clicks are heard. Release the switch. (Failure to release the switch within 2 secs after the third click causes the volume setting to be aborted and previous volume setting will remain in memory). Allow the brew cycle to finish in order to verify that the desired volume has been achieved.
  2. Setting batch sizes: To set a batch volume, first check that the SET/LOCK switch is in the "SET" position on the circuit board. Press and hold the START or BREW switch until three clicks are heard (this will take approx. 10 secs) and then release the switch. (Failure to release the switch within 2 secs after the third click causes the volume setting to be aborted and previous volume setting will remain in memory). View the level of the liquid being dispensed. When the desired level is reached, turn the ON/OFF switch to "OFF". The brewer remembers this volume and will continue to brew batches of this size until the volume setting procedure is repeated. Empty server(s), turn selector switch to positions that have yet to be set and repeat batch setting procedure until all batch sizes are set.
    NOTE: When brewing coffee, batch volumes will decrease due to absorption by the coffee grounds.
  3. Setting programming disable feature: If it becomes necessary to prevent anyone from changing brew times once
    programmed, you can set the SET/LOCK switch to the "LOCK" position. This will prevent any programming to be done.
    NOTE: If the clicks cannot be heard, lightly grip the incoming water line to feel when the valve cycles on and off.
adjust bunn coffee maker water level - 24680777-5fyec3sitw1tjv0jktfwuexb-3-0.jpg

Posted on Nov 25, 2014

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5 Related Answers

Anonymous

SOURCE: my bunn is too slow

Use the de-liming spring to clean the copper tube behind the spray head. Pour several pots of clear white vinegar through the unit to further remove lime and scale from the interior of your coffee maker. My Bunn is 24 years old, and the only replacement parts I've ever required are new carafes and the 4041 silicone washer repair kit.

Posted on Sep 19, 2007

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Anonymous

  • 1 Answer

SOURCE: my bunn coffee maker leaks

You need to replace the washer kit inside the top of the maker. Remove the 3 screws that fasten the top and lift it off. You will see the rocker leaver that allows the water to flow into the tank. At the point where the rocker stops the water there is a series of washers that degrade from the heat over time and allows the leak. The washers are very easy to replace. The problem is finding the washer kit. I found it at: www.buyitnow64.com for $3.95 plus shipping (FedEx is only $9.98). I bought 2 (one for backup) kits.The original washers lasted almost 6 years. I had repaired this problem before with a washer from my shop but it broke down rather quickly from the direct heat from the tank. This washer kit is a Bunn washer kit that is supposed to fit all Bunn machines both residential and commercial.
Hope this helps. It took me 2 hours on line to find the washers!

Posted on Dec 11, 2008

FixinFax

Leroy Elliott

  • 3085 Answers

SOURCE: MY Bunn coffee maker GRX leaks .

Complain loudly to Bunn, they fixed mine for free.

Posted on Dec 09, 2009

atbsmmom

  • 189 Answers

SOURCE: I have a bunn coffee maker the NHBX is the # it is

Please give Customer Service a call with the model and date code. If the machine is 3 years old or less, it will be replaced with a new machine. If it is older than 3 years, it can be exchanged for a reduced price.

Posted on May 19, 2010

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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