Question about Bunn NHB Coffee Maker

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Flakes of stuff in spray head

Coffee comes out slow and when you take off the spray head there is flakes of what looks like calcium deposits in it. I have cleaned it several times and can't get it out

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  • jcostlow1 Nov 30, 2008

    I have the same problem. Call the main office and they will take it back in exchange for a new one. the flakes are a nusiance and they have no explaination for it.

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Clean the tank with white vinegar
pour it in and wait 15 mins, than pour 4 or 5 pots of water thru it

Posted on Dec 14, 2008

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Posted on Jan 02, 2017

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1 Answer

Water dribbles very slow on occasion


It sounds like it's time for a cleaning. the tube is likely blocked with lime (calcium deposits) CLR does just that. It may be handy to have a long pipe cleaner like tool that is used for commercial coffee machines

Oct 15, 2013 | Coffee Makers & Espresso Machines

1 Answer

My coffee maker takes 20 minutes to brew a pot of coffee- extremely slow- I've lost the manual and do not know how to correct this...please help.


The first suggestion is de-calcify as the heating element is probably coated. The following should explain what I mean.

Most likely you have calcium flake deposits clogging the orifice/jet/valve, that restricts the flow of water until heated properly. As the water starts to flow the flakes collect and block the water flow. Periodic cleaning will cure this and prevent damage to the, orifices, jets,valves and heating elements of your machine ( as calcium builds up it tends to insulate the heating element thus requiring more energy/heat to complete the task). Eventually the heating element will over heat and burn out. Periodic cleaning extends the life of the machine plus the added bonus of a better tasting " Cup of JOE".
Most any cleaning preparation designated for a "Mr. Coffee " type machine will do the job. If you want a home remedy 3-4 tablespoons of white distilled vinegar per cup of water ( calculate for the size of your water reservoir ). But please do it outside on the patio, as the vinegar tends to be in competition with the air freshener, and will win.

sincerely,
Doc Michael

Mar 08, 2011 | Bunn Pour-Omatic Coffeemaker, 10 Cup White

1 Answer

The message reads decalcify/ventilate. When the knob is opened only a little water sprays out of the spout and then pump continues to make noise but no water emits.


Most likely you have calcium flake deposits clogging the orifice/jet/valve, that restricts the flow of water until heated properly. As the water starts to flow the flakes collect and block the water flow. Periodic cleaning will cure this and prevent damage to the, orifices, jets,valves and heating elements of your machine ( as calcium builds up it tends to insulate the heating element thus requiring more energy/heat to complete the task). Eventually the heating element will over heat and burn out. Periodic cleaning extends the life of the machine plus the added bonus of a better tasting " Cup of JOE".
Most any cleaning preparation designated for a "Mr. Coffee " type machine will do the job. If you want a home remedy 3-4 tablespoons of white distilled vinegar per cup of water ( calculate for the size of your water reservoir ). But please do it outside on the patio, as the vinegar tends to be in competition with the air freshener, and will win.

sincerely,
Doc Michael

Mar 08, 2011 | Saeco Incanto Classic Espresso Machine

1 Answer

We have a 2 month old bunn coffee maker. worked fine now coffee is taking 10 minutes to brew


Sounds like calcium build up, You need to descale the machine.

If you look at the grounds on the basket, After the brew cycle is over there is like a hole in the center of the grounds. This happens when there is calcium build up in the tank, tube and or spray head. And takes forever for the brew cycle to end.

Follow the instruction on your manual to descale the brewer.

Jan 15, 2011 | Bunn Coffee Makers & Espresso Machines

1 Answer

How do I adjust the amount of water that is coming out causing the pot to overflow.


There is NOT an adjustment for the pour over coffee brewers.
I think you have calcium build up. Remove the spray head and use the spring to clear the water tube (from tank to spray head) if you are handy, remove the top cover and use the spring to clear the hole were the water goes down to the tank from the reservoir.

If there is a lot of calcium build up you need to descale the brewer with vinegar.
Pour 64oz. of water only, When brewing coffee.

Spring is provided from BUNN when you bought the brewer, if not you can order one.

NOTE: Make sure you unplug the brewer before removing the top cover.

Jan 12, 2011 | Bunn VPR Coffee Maker

2 Answers

BUNN VPR commercial coffee pot, not flowing in a steady stream just dripping


Your spray head has 5 to 6 little holes depending on the model and year, and it looks like you have scale, calcium or lime blocking them.
Since your model is a VPR pour model, you will have less trouble cleaning it with white vinegar than the permanent water connection type. I use a gallon of vinegar and filters for this.

Parts needed:
2 Clean, Rinsed Empty coffee cans
1 Gallon of White vinegar
5 coffee filters
1 Toothbrush, preferrably angled head

Start with your Bunn turned off and place an empty full size coffee can under the pour spout. Now place a filter in the brew basket to catch any fine particles you don't want poured back in the resevoir and heater. You will need to change this filter a few times as the trash starts coming out of your spout.

With the coffee can, brew basket, and a fresh empty filter in place you want to start pouring the vinegar in the tank while catching the water with the coffee can. As it fills with water you will need to dump the can down the drain until the full gallon of vinegar has been poured in the Bunn. Allow the excess water to finish flowing out into the coffee can making sure to leave half the water in the can to pour back into the coffee maker.

By now your tank should be filled with mostly white vinegar, and your coffee can should be at least half full of vinegar as well.
Now you can turn on the lower pot warmer to keep the solution hot and plug your Bunn into the outlet.

Allow 8 to 10 minutes for the heater to heat up and pour the half full coffee can of vinegar into the fill area. Allow the cycle to complete and replace the filter as needed, or if flow begins to slow down.
If your heads are clogged, use the toothbrush to clear the holes as the vinegar is flowing until you see all holes flowing vinegar.

Chunks of trash will dislodge in your heater tank and flow to your spray head, so keep that toothbrush ready.

Do this at least 5 times, then allow the Coffee maker to sit 30 minutes with the heater on to finish dissolving the lime and calcium deposits in the tank.

After 30 minutes start flushing the system with clean water to rinse out all of the vinegar, or until you can no longer smell vinegar in the coffee can.

Good Luck!

Mar 04, 2010 | Bunn VPR Coffee Maker

1 Answer

Hot water comes to slow


It sounds like your water line may be clogged. Buy some descaler powder and follow the instructions on the package to clean away calcium deposits from inside your coffee maker's water lines.

Oct 22, 2009 | DeLonghi Esclusivo Magnifica ESAM3300...

1 Answer

Water very slow to come out for coffee


toilet and bathroom cleaner, or hydrochloric acid descaling solution.

put it in and leave to soak , it will froth up as it is neutralising the deposits.

make sure to rinse out well before use, maybe neutralise the acid with a mix of bicarbonate of soda solution.

Jul 18, 2009 | Saeco Vienna De Luxe Espresso Machine

3 Answers

It fills the pot very slow - how do you clean it?


hello tigger, You should be able to get a ipe cleaning brush at a fish/pet shop. Then apply it somewhat like this http://www.youtube.com/watch?v=CJSh1f6KHWw

i look forward to your post.

Oct 30, 2008 | Bunn VPR Coffee Maker

2 Answers

Brewstation


There is a very fine screen on the outlet of the carafe that becomes plugged over time with fine coffee grounds. You can see it if you look down inside the pot above where the coffee comes out. Just using coffee pot cleaner won't clean it, because it's fine coffee grounds stuck in the screen, that are slowing the coffee going through it.
It's not easy to reach, so you'll a pair of needle nose pliers. Get ahold of the plastic ridge the runs across the top of it and it pops right out. You can use the bristles of an old toothbrush to scrub it. The bristles will fit in the spaces of the fine screen and force the deposits out. You can probably just leave the screen out altogether, it's just there to stop grounds.

Feb 14, 2008 | Hamilton Beach BrewStation 47214 Coffee...

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