I turned off my machine while I was out for summer vacation (3 months). I returned, poured water on the tank. Plugged it, and clicked the on button. The Light on the "on button" is on, it makes a quick sound (as when is building pressure) but quickly stops and nothing else happens. My machine is less than two years old. What happened?
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Re: Not building pressue
Water damage to the flow meter can cause the machine to not function at all. We have seen water leaking from the water tank leaks right on the flow meter and stops the machine from heating and contining its start up proceedure.
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The bunn VPR is a gravity brew system what you put in if the tank is full is what you will get out. So pour water in until it flows out the sprayhead, then turn machine on, when it heats up fill up a carafe with water (1.9Liters) and put in your filter with water and brew. It is a good idea to pour water in every morning to make sure tank is full especially if you are not using brewer on the weekends.
First make sure you have enough water in the machine. It holds about 2 and a half pots of water in the holding tank. If the machine sits for a week without use but is still plugged in, sometimes the water will evaporate down to the point where pouring one pot of water in, will not fill the tank back up. If you still don't get a water flow, take the brew funnel out and reach up where the water normally comes out, There is a round water dispenser about 2 inches in diameter. Unscrew it by turning countercloclwise. It has a dozen or so holes where the water come out. Be sure these holes are not stopped up. There is a small pipe fitting where you took the water dispenser off. Bunn makes a long spring like thing that fits into this hole to remove built up lime deposits. If you don't have one you can use a flexable wire like braided copper wire about 18 inches long to push through the hole and slide it back and forth until it comes out clean. If you have hard water, like well water you may be getting a lot of calcium build up in the tank. Put about a quart of vinegar in the next coffee pot and let it sit an hour. Pour water through the machine until it stops smelling like vinegar. That should solve your problems.
It sounds like the tank isn't full. It takes 2 full decanters of water to fill the tank in the bank. After pouring in 10 cups of water, close the lid and wait 3 min. Then open up the lid and pour in another 10 cups of water and close the lid. Then turn the vacation switch on and wait 15 min. Now you are ready to brew coffee. Place your grounds and filter in the funnel basket and pour in 4-10 cups of cold water and place decanter on warmer plate. Close the lid and in 3 min you will have a pot of coffee. If this doesn't happen, please call 800-352-2866 and we will be happy to assist you.
Yes, the coffee maker keeps a tank of water pre-heated, that is what allows it to brew coffee in a couple of minutes. The exception would be vacation (away from home) or other times when you won't be using it for a few days. Visit www.bunnomatic.com if you have lost your user manual.
The Bunn coffee maker does not operate as most coffee makes do. You cannot leave the Bunn in the off position and then just flip the switch to on and pour the water in. You will always get cold coffee if you do this. It takes time for it to heat the water. The On/Off switch should be left in the On position all the time. This keeps the water hot in the tank, thus providing hot water when you need to make coffee. You then just pour the cold water in the top, shut the lid, and have a pot of coffee in 3 minutes. The On/Off switch is a vacation switch, and you use it only when you are not going to use the coffee maker for a couple of days. Older Bunn coffee makers did not even have an On/Off button. You simply unplugged them when going on vacation. So turn the switch to the On position and leave it there. The unit will then work as designed. Forget how other coffee makers work, this is a Bunn and it is the fastest coffee maker you can buy and must be left on all the time. that way the water stays hot and the unit will keep it that way.
When setting up a new machine, it requires 2 full decanters of water to be poured into the machine. After you have done this, then you plug the machine in and turn on the vacation switch on the side of the machine. After 15 min, then you will pour in 4-10 cups of water and it will force out the hot water from the tank in the back and brew the coffee. If this doesn't correct the problem, then please call customer service with the model and date code.
The machine requires an initial set up to be completed before using it. Fill the decanter with cold water and close the lid. It will take 3 minutes to partially fill the water tank in the back. Then fill the decanter again with cold water and pour in and close the lid. Then plug in the machine and turn the vacation switch on the side of the machine on. After 15 minutes, you will be ready to brew coffee. Then you will get your filter basket ready with the filter and grounds. Pour in from 4-10 cups of water and place the decanter on the base. Close the lid and the coffee will begin to brew. If you will call customer service with the model and date code, a use and care manual can be sent out to you at no cost.
This can be caused by scale build-up on the thermostat probe that hangs inside the tank. The scale stays hot for a long time, tricking the thermostat into believing that the water is still hot. Try pouring 1 Qt white vinigar into the unit, let it warm up completely, run a pot of clear water thhrough the machine, then turn the unit upside down over a sink (making sure it's unplugged first, and always keeping the fill hole down at all times) to let it drain out all the way. Then before you plug it back in, pour water through the machine until water comes out the sprayhead. Then plug it in, let it heat up, pour 2 pots of water through the machine & see if it heats up properly. If this doesn't cure your problem, your unit may need to be completely dismantled to de-scale the tank & thermostat probe.
This coffee maker uses a resevoir tank system - the water you pour in pushes out water that is already heated - the water you pour in won't actually be used for that pot of coffee! For that reason you should only use full pitchers when filling. You may need to cycle through 2 or 3 fillings before the input matches the output once more.
The capacity of the resevoir is about 3 pitchers; you can brew 2 pots in a row before the machine needs a break to bring the resevoir back up to temperature.