Question about Bunn Coffee Makers & Espresso Machines

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I have a bunn coffee maker that takes over an hour to heat brew water.

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I agree with Chrissie. If you have hard water then the heating element has a thick layer of calcium or lime coating it.

If vinegar doesn't do the trick, then try running CLR through it. That's a little more aggressive. If that doesn't do it, then use muriatic acid. That will definitely eat away any calcium or lime from the burner.

Make sure you do 3 full rinses by running clear water through it the same way you would be brewing coffee.

If none of that works, buy a new coffee maker.

Posted on Feb 02, 2019

  • ZTedster
    ZTedster Feb 02, 2019

    I agree with Chrissie. If you have hard water then the heating element has a thick layer of calcium or lime coating it.

    If vinegar doesn't do the trick, then try running CLR through it. That's a little more aggressive. If that doesn't do it, then use muriatic acid. That will definitely eat away any calcium or lime from the burner.

    Make sure you do 3 full rinses by running clear water through it the same way you would be brewing coffee.

    If none of that works, buy a new coffee maker.

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Clean a Bunn coffee maker once every three months if you have hard water. ... Unplug the Bunn coffee maker from its power source. Verify the brew funnel is in place in the machine, and set the decanter in the unit as if you were going to make coffee. Add 1 quart of white distilled vinegar to the top of the brewer.

Posted on Feb 02, 2019

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Posted on Jan 02, 2017

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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SOURCE: Bunn coffee maker leaks water

There are 3 seals in your unit that could cause your problem. there is a silicon seal right under the pour-in tray, and two on the top of the tank. one of those is for the thermostat, the other is for the sprayhead tube. any of these could leak, causing water to come out the bottom of the brewer. One other thing that can cause this is a scale buildup between the pour-in tray and the tank.

Posted on Feb 13, 2009

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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

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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

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SOURCE: I have a Bunn coffee

The manual for this coffee maker can be found at this link:
http://manualheaven.com/assets/bunn-nhbx-b-contemporary-coffee-maker-manual.pdf
While the manual does not contain repair instructions, it does have some troubleshooting tips to follow if your coffee is not staying hot.

Posted on May 04, 2011

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1 Answer

What are the instructions for preheat after turning our bunn coffee maker off over night - there is not off switch, plug in only


* Bunn model # for specific solutions.
* Most Pro/Office models have a pre-heated tank.
* Most models (Without Vacation or heater switch) will be heated all the time.
* Care must be taken to keep the inner tank filled.
* Pour cold water into fill tray till water comes out of the brew basket.
* Water will stop coming out of brewer once the tank has been topped off.
* If pot is not able to brew after 20 mins of pre-heating. Then call for service.
* Note; most office and Pro machines used in food establishments are from coffee vendors. The larger machines should be serviced by qualified Bunn service techs.
* Contact your coffee vendor or Bunn service ctr for advice.
Aloha, ukeboy57

Sep 05, 2018 | Bunn Coffee Makers & Espresso Machines

1 Answer

Bunn coffee maker heats but wont pump water?


I thought these are pour over brewers? Which means you have to fill it with water in order to brew? It should happen when the unit is filled first, plugged in then turned on.(see link below for MFR instructions) Aloha! ukeboy57

http://www.bunn.com/sites/default/files/care-and-cleaning/43097_0002d01_velocity_brew_manual_english-_bt_st.pdf


Mar 11, 2017 | Bunn Coffee Makers & Espresso Machines

1 Answer

Bunn pour omatic commercial coffee maker will not brew and it leaks


VPR is a pour over "Volume Displacement" brewer. Required to completely fill the inner tank and heat prior to using brewer. BEFORE plugging in unit, water must be poured into upper tray and with brew funnel and empty pot in place. Keep pouring water into top fill tray until water drips out of brew funnel. Plug in VPR and allow it 15-20 mins to heat up. leave the pot as there may be additional water dripping. Remove power if there is any water spilling out from other places like the top pan cover or bottom of machine. With the initial heating done, take a full pot of water and slowly pour into the top filling tray. HOT steaming water should come out of the brew funnel to fill the (empty) pot. Prep is done and the machine can be used to brew a pot after 10-15mins of reheat time.
*** the machine you have needs to be checked for leaks in areas mentioned above. Water should only come out of brew funnel (if not present then the brew head or if that is missing then the brew pipe. All will need to be replaced prior to brewing.) Leaking under machine is an indication of leak(s) in pour tray,tank,tank cover, gasket, probe gasket. This machine like any used equipment should be checked out by qualified tech prior to use. Be aware that coffee vendors sometimes rent or loan brewers to customers.

Nov 08, 2017 | Bunn NHB Coffee Maker

1 Answer

Will not brew


Make sure the coffee maker is full of water. Keep filling it till water comes out of spray head.. Should take two full pots plus 3/4 of another one. Wait for water to stop coming out of spray head. Now the unit should be ready to brew after it heats up.

Mar 29, 2013 | Bunn VPR Coffee Maker

1 Answer

I have a bunn coffee maker that when it brews the first pot is hot after that the next one is not. It is the coffee maker that has two warmers on top. i didnt know if would be the heating element or...


While this brewer does have a reservoir that keeps a couple of pots worth of water hot for brewing you can get a cooler second pot if you brew directly after. You should hear the brewer heating up after brewing. Try waiting until it is back to temperature before re-brewing. If that heating takes more than a few (3-4) minutes then you probably have a problem with the heating element and the water is only being heated by the "keep warm" heater.

Sep 13, 2010 | Bunn VPR Coffee Maker

2 Answers

My tim hortons coffee maker is not brewing as quickly..s there a wayto clean it


Make a 1/2 pot 50/50 mixture of cold water and white vinegar then run it through the machine in normal brewing fashion. Place a clean filter in the brewing cup to catch the white deposits that are removed. Allow the mixture to cool, then repeat the process several times while using the same filter. Finally, run several pots of fresh water through to work out the taste of the vinegar. Repeat whenever the brewing time seems to be excessive.

Feb 02, 2010 | Bunn Pour-Omatic Coffeemaker, 10 Cup White

1 Answer

I have a Bunn model VPR, I can fill it up with water, plug it in, no water. turn it on, no water. it gets hot. I opened it up, there is no restriction. What coulf cause this?


This is a pour over unit.

You fill the tank with water, it heats the water in the tank.
When the water in the tank is at brewing temp, the lite should go out.

To brew coffee with this system, you put a filter in the brew funnel, put coffee in the filter. Place the brew funnel in the slide tabs to hold in place. put an empty decanter on the warming plate under the brew funnel. Then take one decanter of fresh water and pour it in the top of the brewer where it says "WATER ONLY" the coffee will begin brewing immediatly.

Oct 26, 2009 | Bunn VPR-Black (33200.0002) Coffee Maker

2 Answers

No manual with Bunn NHBX coffee maker.


before plugging in place your empty filter basket in the coffee maker and place a pot under it. Slowly pour in two pots of water using the pour pitcher. Now you can plug it in. it'll take 15 min to heat up first time . when you brew your first pot leave your water level a little short,because the water will expand (only the first time)

May 06, 2009 | Bunn NHBX-B Contemporary 10-Cup Home...

1 Answer

My bunn coffee maker is just dripping when it is making coffee. Then the next time it makes it just fine.


Hello, I am wondering how long between times you are stating, as most Bunn commercial units, stay heating 24/7, and if water is not poured into the machine every couple of days, they will evaporate off water that is held in the tank. This drop in water level can cause short brewing, slow brewing, etc.. as the unit relies on a vacuum or suction to brew properly. You could also have a leaking tank gasket, or brew tube gasket, and it is seeping air into the tank, breaking the vacuum/siphon action, and then seals with water, or expansion at other times. Another cause would be scale build up, and pieces are floating in the tank blocking the flow of water, or your spray head may be clogging/clogged, which minor cleaning should take care of the sprayhead, and tube, or a major cleaning necessary for the tank.

Hope that helps, and thank you.

Mar 04, 2009 | Bunn VPR Coffee Maker

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