Water not filtering quick enough, basket overflows
My bunn is not running through the filter quick enough, the water overflows over the basket. I have kept it clean, we have soft water and when it is cleaned, no lime/scale build up. I have changed coffees, wet my filter, ran vinegar through it, recleaned it with tool...nothing works, I have to babysit it by keeping opening up the lid.
Re: water not filtering quick enough, basket overflows
Make sure your sprayhead is the proper one (5 hole) and in good shape. Also make sure that the hole on your filter basket has not been partially closed. This can happen if you set it on the hot warmer. As a last resort, you can slightly enlarge the hole in your filter basket.
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Here is the SOLUTION(S): 1. Buy a sprayhead that restricts the flow2. Let the water flow through for a few minutes, then lift the lid while it flows through.3. Don't use Decaf4. Plug up a couple holes on your current spray head
Dunkin Donuts is a finer ground coffee and the water comes through so quickly that it isn't absorbed quick enough so you don't get the full flavor and it causes an overflow. If you will call Bunn Customer Service, a new flow restrictor can be sent to you to resolve this problem.
If it is leaking out past the filter basket, it can be fron two things- either the basket edges are worn out, and is allowing water to leak past it, or the hole is being partially blocked by scale or caked coffee. in the first case, try replacing the filter basket. In the second case, you can either clean out thr hole or try running a drill bit through it to clear the hole.
Try taking the filter out, and turn the sprayhead off the unit. Put the basket back on, and try pouring clear water through the unit. If the water runs through fine, you either have a plugged sprayhead or are using too finely ground coffee. Look at the holes in the sprayhead, and make sure that none of the holes are plugged. If the basket still overflows, try using a drill bit to make the hole in the funnel a little larger. Good luck.
These tanks can't actually be overfilled since all water poured in displaces the exact same amount of water coming out the spout. So, whatever amount of water you pour in, will be the same amount of water that flows to your pot minus the amount absorbed by the coffee grounds and filter.
Your problems sounds like an undersized (Non Bunn) filter, or clogged brew basket. To verify this, try pouring in only half the water for your brew cycle and wait for it to finish dripping, then pour in the rest. If no overflow has occurred, you simply have the wrong type of filter. If overflow begins again, you have a clogged brew basket, since no Bunn can flow too fast for the brew basket to keep up with it.
This is because Bunn filters are manufactured differently than generic store bought paper filters. They will flow faster, brew cleaner and stand up better than normal generic filters. Remember, Bunn makes their OWN filters for good reason. They made the first, best paper filters for drip coffee pots, and all others are just generic dioxin gas producing paper.
Sometimes this happens if you use filters that are too thick for the brewer. If you are using Bunn filters andthis keeps happening , up above your filter basket, there is a sprayhead. Turn that off, and look at it to see if it is plugged up.If there is no sprayhead, then that could cause your filter basket to overflow, as too much water will be coming into the basket too fast.
Some people also try adding fresh grounds to brewed grounds, resulting in an overflow. A restricter valve can be used, but a better solution is to simply pour in half the water at a time. This is what people who buy non Bunn filters do to stop overfills.
Coffee overflowing onto the counter is a common complaint found in response to many automatic drip coffee makers. The following are potential solutions that can be used to rule out "operator error" vs. a defect or malfunction:
1. Do not "pack" or otherwise overfill the cone/basket with grinds. 2. Ensure you are using the correct grind for an automatic drip coffee maker, neither too fine nor too course. (See instruction manual.) 3. Do not overfill with water. Use the carafe to pour water into the reservoir. This is because a "cup" in coffee terms is defined as 6 oz, not 8 oz. Note: Some coffee makers define as little as 5 oz as a cup. 4. Make sure the filter cone/basket clicks into place and that the carafe is centered and pushed all the way in. 5. Try a permanent filter rather than a paper filter or vice versa. 6. Only use the correct permanent or paper filter (see manual). 7. Verify that the Pause 'n Serve button isn't sticking. If it is activated too long the brew will escape over the top of the cone/basket. This may be more apt to happen if the alignment of the carafe and the basket is incorrect. 8. Clean your machine with vinegar or as instructed by your user manual at least three times per year, more if your water supply is hard. A properly cleaned machine is less likely to suffer a burned out heating element, to take too long to brew, to produce "off" tasting coffee, or to clog and overrun the filter basket as the water runs through the grinds. 9. Ensure that the coffee machine is sitting level on the counter.