20 Most Recent Bunn B10 Coffee Maker - Page 2 Questions & Answers


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Bunn B10 Coffee... | Answered on Jan 31, 2010


Hello, goto www.bunn.com for replacement parts. The most likely reason for the leak is the gasket between the pour tray and the tank. If you cant get parts from bunn there is a company call holiday house in cali that will sell you the parts you need. Mike

Bunn B10 Coffee... | Answered on Nov 01, 2009


Lots of times minerals clooect on the heating element and inside the heating chamber. The easiest thing to try is to put white vinegar into the filler, displacing some of the water into the pot. Leave this to soak for about an hour, then flush with several pots of water until the vinegar smell cannot be detected in the water. Make sure that the switch on the side is "ON". You may have an indicator light. The switch on the upper front is for the warmer. The reason you only got a partial pot of water is that the reservoir wasn't completely full. Once you have filled it completely, you should fet a full pot out for every full pot in. If all of the above gives you no relief, you may need to test the heating element for voltage and continuity. If it tests 'open', you will need to replace it.
Good luck, --W/D--

Bunn B10 Coffee... | Answered on Jul 17, 2009


Are you rapid firing your coffee maker?Not designed to do that.. If the water heated that fast it would boil dry if you ever left it unattended and on. The reservoir is heated with the time it takes to drink a full pot taken into consideration for reheating.. If you are serving 20 cups with a 10 cup machine, Expect a delay, especially if you are refilling with cold tap water. Sorry.

Bunn B10 Coffee... | Answered on Jul 01, 2009


Im assuming you tried it more than once and the tank is full when you start? If your doing manual fill pour over the timer has nothing to do with that. If it's plumbed with a water line, before you start changing your timer for the brew cycle, first try the easy fix which is unscrew the spray head. it's the piece the water comes out to the basket. Take the cleaning spring tool and rotate it as you push it thru the tube you just unscrew the spray head from. As your pushing it thru it has two turns in it . Just rotate and push until you have gone thru the second one and then it's clear to the water tank. Unfortunately this doesn't always get it unplugged. Where the tube goes into the water tank there is silicone hub on the part that's in the tank and it can keep some of the lime buildup from being removed. You will have to take the top off and remove the tube to clean it if that happenes. Dont forget to unplug it first. The other common spot for a restriction is where the water leaves the pan your pouring into. You need to remove the pan to get the spray tube out anyway so look also at the big nut that holds the pan onto the tank.sometimes the hole will plug in the center .

Bunn Coffee... | Answered on Nov 13, 2019


test element for failure

Bunn Coffee... | Answered on Oct 06, 2019


Couple of ideas.

Your weak coffee could be due to the machine not getting hot enough, which is usually caused by calcium scale buildup on the heating element (the "burner").

Try descaling with a citric-acid based cleaner, such as Dezcal or Durgol.

The second is the coffee your using is a weak blend. Try changing to a different coffee and see if the strength is better.

Bunn Coffee... | Answered on Jul 15, 2019


This sounds like the light flickering rather than a faulty connection. You can check for a bad connection by tuning a nearby radio receiver to no station in the AM band. If there is a bad connection causing this you'll hear the sparking (in time with the flickering) on the radio.
Flickering is a common effect seen with neon indicator lights when they age and does not affect the switch function at all, so can be safely ignored.

Bunn Coffee... | Answered on May 02, 2019


The water inlet valve may be stuck open from mineral deposits. You can get rebuild kits for the older ones or just replace the valve?

Bunn Coffee... | Answered on May 01, 2019


If all passages are not plugged up it should flow through with or without heat in the tank.

Bunn Coffee... | Answered on Apr 27, 2019


I can only suspect the tank has rusted thru. sadly the do not have replacement tanks that we the consumer can replace . timeto bin it and buy new or different type unit

Bunn Coffee... | Answered on Apr 27, 2019

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