Question about Bunn Automatic Coffee Brewer CWTF15 1

Water over filling pot

I have a one burner, Bunn A-10 Series direct plumbed coffee maker. The problem is that the pot overfills by about a 1/4 of a cup each time the coffee is made. Is there a way to adjust the water level? I have lost the instruction manual. I have the same problem. I also do not have the instruction manual. Please help.

1 Answer

Mark Egan

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1,214 Answers

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

http://www.bunn.com/pdfs/commercial/manuals/10613.0000.pdf

Please email if you have additional questions.

Posted on Feb 02, 2009

1 Related Answer

Gord Thurston

131 Answers

SOURCE: Water over filling pot

There is a brew timer on the left side of your machine near the heater switch. you need to remove an access panel to access it. turn this down a little, let the water heat up, then try another brew. Adjust as needed, brewing another pot between each setting.

Posted on Feb 13, 2009

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1 Answer

How do I fix a leaking Bunn Coffeemaker model NHBX-B?

This is a home model pour over. Overfilling is the most common cause of leakage as there is no plumbed in water line. You should only pour in the amount indicated on the decanter. If it is overflowing, check if you have the right decanter as someone may have used an old pot from a larger brewer. Say there was a 12 cup pot around and now you have a 10 cup brewer.
* carefully pour water to the inner fill line. You will probably see a ledge or spill off hole on the inside of the fill tank. Some units will spill out the back, others may spill back into the drip funnel. Note at what point you get near the spill level and note how much is left in the decanter. The amount left is your over flow.
* If you want more accuracy then use a measuring cup and count how many cups are needed to fill the brewer.
* Unplug any brewer that has water coming from the base. Dry up the area and drain the brewer. Dry off and let sit to completely dry out. Refill, note any leaks? If okay then plug in and brew as normal.
* still having problems? Contact your vendor for service.,
Aloha, ukeboy57

Jun 30, 2015 | Bunn NHB Coffee Maker

1 Answer

Why won't my bunn coffee maker turn on

You should check to insure that the tank inside the machine is full of water. Pour in 1 pot of water at a time until you get water to come out of the brew basket. If you haven't done any internal damage it should be ready to brew a pot of coffee inabout 20 minutes.

Sep 21, 2014 | Bunn 10 Cup Home Coffee Brewer

1 Answer

Water overfill

The A10 has a semi-sealed tank that keeps +1 pot of water heated and ready to brew. Pouring in a full pot of cold water will fill the top tray and allow a slow trickle of cold water into the top which forces hot water to over flow into the brew basket. This continues until all the cold water drains into the heater tank. So the brew is matched volume per volume. UNLESS the tank was empty or not filled prior to brewing. Follow the brewing instructions from Bunn (on line for *FREE* download at Bunn.com)
* If it leaks (from the bottom) only when you pour in water. Then your pouring it too fast and over flowing the fill tray. slowdown, watch the level in the tray. do not fill past the lid.
* If it leaks just sitting (not brewing) then there is a hole in the tank. Call for service.
* If it leaks after filling the tray half way. then the top of the tank has a leak, loose, cracked, or missing gasket. There is quite a few gaskets on the lid. Call for service.
* Final; Leaks are always bad around electrical equip. Best to unplug and call for service to be safe.
Aloha, ukeboy57

PS. Check your using the correct size decanter for this brewer. If it's a 10 cup brewer then make sure all the decanters in the office is also 10 cup. Pouring a 12 cup pot into brewer will have 12 cups of coffee come out (over flowing the 10 cup pot.) Note that not all decanters are made the same size. Other brands may be different. Test by filling a pot with water (from faucet) then pouring directly into pot in question. It should match and not under fill nor over fill.

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1 Answer

Bunn VPR Series Coffee Maker will NOT dispense the water into the coffee pot?

This machine has a reservoir that holds about 2.5 pots and keeps them at brewing temperature. Therefore you should pour in 3 pots (with a pot in place under the filter basket) until water flows from the basket. Then, and ONLY then, it is safe to plug in the brewer. If you plug in the brewer BEFORE filling the reservoir you will burn up the heating element and will have to have it replaced.
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With the machine full of water and still turned on, pour in 1 qt of white vinegar into the top and place decanter on base and close the lid. You will let this sit in the machine for 2 hours. At the end of 2 hours, flush out the vinegar with 8-10 decanters of water.

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If you pour water into the machine, and water comes out, then the reservoir is full of water. There is no way the water can bypass the reservoir and go directly into the pot.

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1 Answer

Coffee is in water is in nothing happens

You may not have enough water in the tank.
Follow these steps

1. With the coffee pot unplugged, fill your resevoir/tank until water begins pouring out of your sprayhead and brew basket.
2. Wait for the water to finish dripping then plug in your Bunn.
3. Let your Bunn warm up for at least 8 minutes.
4. Run a test cycle with clean water, remembering to use the water pitcher provided for this purpose, while leaving your empty pot on the burner beneath the brew basket.
5. If your cycle completed, and your coffee pot is filled to the desired level you are ready to make coffee.

Remember that these Bunn models have no water filter

installed, so, the cleaner the water the better tasting the coffee.