Question about Bunn CDBCF 15 APS Coffee Maker

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On my Faema due A,one group have a problem solenoid valve is opening all the time button board is working ok.second group is ok. is this a problem with control unit?

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Sounds like the group valve has lime in it or the plunger is stuck open.

Posted on Feb 17, 2011


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It is possible that the solenoid on the group head is blocked, or the coil is damaged, or the metering jet on the top of the head is blocked. Since there is no click then I think the coil might be the problem. Disconnect the black electrical cover with screw in the middle, lift up and using an ohms meter check for resistance between left and right curved prongs. The flat one is the ground so ignore that one. If you have resistance, then remove the 14mm discharge chute, then the nut, washer and large flat washer and slide out the coil. DO NOT REMOVE THE SOLENOID FROM THE HEAD UNLESS YOU HAVE BREW VALVE GASKET TO REPLACE THE OLD ONES. TURN OFF THE WATER AT SUPPLY VALVE. MAKE SURE MACHINE IS COLD. Using a wrench remove the silver part of the solenoid body from the brass part connected to the head. Check the 2 holes in there and make sure they are clear, you can briefly turn on the water to see if it flows out of there careful it be a powerful stream. Reassemble and test group head.

Jun 30, 2012 | Coffee Makers & Espresso Machines

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Hi, I work with a Faema semi auto 2 group machine, why does the on / off switch have 2 settins on it??? just curious

Setting number 1 - turns on the groups and the inlet solenoid, so that the machine can fill and you can test the groups but it will not heat up. If the boiler is empty or you are setting the machine up for the first time you would turn it to one so that it can fill up, then you would turn to 2.

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A2 just trying to get water in the boiler at this time water is filling the boiler but itis not shutting off and gets filling water will not stopunning what do we do???

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Faema due smart two group espresso machine, I am having inconsistant shots. this is an automatic machine and I have reprogrammed the shots however it is still being inconsistant as far as flow through the...

when you open the hot water valve all the way does the pump come one? You might have a newer version that has a mix valve. This allows a controlled amount of cold water to be mixed in with the boiling water from the boiler. If so you would find an adjustment (usually just a black knob) that is next to that valve. If the final amount of water for the espresso is fluctuating then you have a problem with your flow meters (dirty impellors or bad field sensors). If you notice a different in the amount of water flowing from one group to the next then something is clogging up the jets or group heads. It could also be a sign of your dispersion screens going bad or other stuff. Have you had it maintenance within the last six months. I have the manual for that machine if you need a copy.
Good Luck, [email protected]

Oct 22, 2010 | Bunn CDBCF 15 APS Coffee Maker

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I have a faema due automatic single group. Works fine except I cannot program shots. I hold down the "stop" button as per the manual, but there is no "beep" initiating the programming mode. What is wrong?

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User Manual for Faema D92/A, doesn't dispense coffee, only water

This will take some time so bear with me.
The problem with the machine is most likely the solenoid valve(black or blue electrical box connected on the side of the group), for easier access remove the front panel there are about 5 screws holding it in place, 2 on the bottom and 3 on the top under-side. Disconnect or turn off the water supply. Then using a 14mm open end wrench remove the nut and the discharge pipe. Do Not remove the 4 small allen wrench screws on the brass piece connected to the machine. Now remove the electrical box over the silver pipe, and using a cressent remove the silver pipe from the brass rectangle square. Slowly open the water supply, if water shoots out then the head is clear, we will move on if not, use a pin and clean the middle hole. Check the silver pipe also there is a small plunger in there press it in if it moves freely then we are good, if not you can try soaking it in puro caff until it clears or just get a new solenoid coil. Remove the shower screen and screw in the group head, you can soak those also.
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You may want to have a close look at the seats. There may have been irregular wear on one or more causing the leak. Try and make sure each one is back in its original location.

Found a manual for you (closest match) It's only for a Faema Family. Well, what the heck, it's free!

Hope you come right, cheers.

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