RANCID BUTTER melted in Bunn Thermofresh resevoir vents!
We have the Thermofresh Bunn, with the resevoir of hot water in the back. Across the top part, there are three small ****-type vents.
Stupidly, I sat a pound of frozen butter across the top of the machine while I was doing something... then I forgot about it!
The butter melted and went INTO the vents. What's worse, is that I didn't realize it and made coffee, thereby sending the butter down into the resevoir tank. I have cleaned out all the top parts of the machine but am not sure how to get the resevoir tank out, because of all the wires on the top and the tubing that goes down around the outside of it.
Now the water has a TERRIBLE smell and taste, like rancid butter, and you can't use the maching for anything at all.
Can you tell me how to get to the resevoir to clean that out or do I have to bring it to an authorized dealer? This coffee machine cost nearly $200 and is just over a year old. Obviously, my neglect and subsequent butter melting negates getting this fixed under any warranty.
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Re: RANCID BUTTER melted in Bunn Thermofresh resevoir...
There is one thing you can try first. With the machine filled with water and turned on, pour in 1 quart of white vinegar and let it sit in there for 2 hours. Then flush it back out with 8-10 carafes of water. If this doesn't correct the problem, then call customer service with the model and code date. This can be replaced under the warranty if it is under 3 years old or less. If it is over 3 years old, it can be replaced at a reduced price.
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The Bun BTX-B has a pair of thermal fuses located on top of the water heater storage unit. If the pot is left without use for a week or so, the thermal fuses will blow if the top of the tank gets too hot (about 150 degrees Fahrenheit) due to the evaporation of water in the storage tank. The operating directions state clearly that if the unit is not going to be used for a few days to turn off the pot. These are there to prevent a fire in case someone does not follow the direction. This is the "MOST" common form of electrical failure in these pots.
To access the thermal fuse
1. Unplug the pot and drain pot by inverting the pot in an empty sink.
2. Remove the two Phillips screws located under the water fill flipper door.
3. Gently insert a small flat blade screw driver into the front top of the lid and remove top cover.
4. Remove the 4 screws inside the water routing tank and remove routing tank simply by lifting off.
5. The thermal fuse is mounted to the top of the tank under a clip and is easily slid out from under the clip. There is a brown wire (goes to power cord neutral) and a black wire (goes into tank disk access hole). Simply measure with a multimeter at lowest ohm setting, the meter should read continuity between the black and brown wires, if it reads an open circuit, the part is bad.
A replacement thermal fuze assembly kit is available off e-bay for about $10. You can buy individual thermal fuzes and replace one of the two that is bad for about $3, but I recommend the kit for most consumers as it comes with wire crimps already mounted and far easier for the average person to simply install. Repair takes about 5-10 minutes.
Believe it or not I had a customer once that left 6 pounds of butter on top of one of our brewers. They had it cleaned up on the outside so it took me a while to figure out what had happened but I could taste the rancid oils. We ran about 20 pots of just water through it... make sure you let it heat back up before each one. I think the only thing vinegar might help with would be lime/calcium build up so I wouldn't think it helps this particular situation. Good luck!
mcdevito75 here, Try to clean your coffee maker by running a decanter full of white vinegar thru the system 2--3 times, then fesh water to rinse out the vinegar. Use a new or clean filter at the beginning of the vinegar treatment and after when you rinse with regular water.
Either your fill tank is clogged, or your washer seal is cracked. You will need to remove the top of your Bunn to access this area. In the resevoir you will see a large nut with a drain hole. First try clearing the hole with a tooth pick and pour water in the basin. If it flows you have good drainage. Now, with the top still removed, pour water in the basin while checking for leaks. If a leak is present you should remove your drain nut and inspect the clear white looking washer on the underside. If it is cracked you can replace it with a gasket from Bunn. If you are tight on time and cash, a non rubber heat proof water hose gasket will suffice until yours arrives from Bunn. Replace and re-tighten the basin and drain nut (do not over tighten) .
Hi Tina - I'm no expert on melted butter in your coffee maker; but, I'd bet that the butter also got into the internal water tank where the water gets heated. Try going to the Bunn website: www.bunn.com , and click on their Customer Service link. You can either call their toll-free number or write to them with your problem from there.