Question about Black & Decker SmartBrew DCM500 Coffee Maker

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Same problem -lucky it work in manual

And I bought at auction for $6.00

If I knew where to get a replacement control circuit board with primary control chip for cheap, I'd replace it.

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Try www.craigslist.org or eBay to find one like it and change parts out.

Posted on Nov 18, 2008

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2 Answers

Water got into back, machine now has no power, is there a reset button


You might get lucky and it works again once it's dry, otherwise the water fried something and you may need a new machine or have yours repaired.

Mar 30, 2015 | Keurig B60 Coffee Maker

1 Answer

Replace control board for coffeemaker


You asked two questions: repair? or replace? To each question, the only possible feasible answer is: That depends.... It might be time for a new one.

Nov 03, 2014 | DeLonghi Coffee Makers & Espresso Machines

1 Answer

No lights. dead. checked plug


Unplug the brewer. Turn it upside down. You may need to use a small screwdriver to remove small rubber pads that cover screws that hold the bottom cover to the brewer body. Remove those screws. Using a volt-ohm meter, check to see if you have power coming from the power cord to the brewer at the points on the circuit board. IF NOT, REPLACE THE POWER CORD ( cheap fix). If the power cord is working, when you take off the bottom cover and you will find a small circuit board that has very small switches that actuate the brewer. Take that circuit board off, and with a toothbrush and water/soap solution, gently clean the circuit board and then let it dry completely. CHECK the board to see if their are any burnt areas, or any deposits that are corroding connections, and check to see if all connections are unbroken. Fix anything with a small soldering iron that has separated. Let the circuit board dry in the sunlight, and then replace it and the wires connected to it. Try then to plug the cord in and turn the brewer on to see if the lights work then. IF NOT, you will have to replace the circuit board.

Sep 20, 2012 | Keurig B40 Single-Cup Brewer

1 Answer

Bes820 when i connect power the machine starts pumping water into drip tray and this happens without pushing the power button i try pushing buttons but nothing changes the only way to stop the machine isto...


It's a common problem with this family of machines, mine does the same thing from time to time. There is a potential solution posted on this site somewhere, you might find it by searching for Breville 800esxl instead. The same article also appears here if you can't find it, but the format is messed up.

The fix is complicated, and you'd need to be competent with electronics repair, as it involves replacing a faulty zener diode in the controlling circuit board. Also, I'm not sure if it's going to work for the 820, as when I pulled my 820 apart and looked at the circuit board it didn't resemble the one shown in the article. There is a pretty good chance that they share a common component in this zener diode though, judging by the behaviour, so this circuit diagram will help if you want to have a go at fixing it. Replacing the entire control board would probably be achievable if you don't have the skills to replace the diode.

Also, dismantling the 820 will be a different process, which you can find in my other post here.

Personally, I just put up with the problem and turn it off at the wall if it won't *******.

Feb 03, 2011 | Breville BES820 Espresso Machine

3 Answers

Display on my Titanium just shows a backlight - all wording has disappeared. Can still make coffee, but you are guessing where the machine is or what it wants


Here's for a geek solution... mine did the same and got worse over time until I couldn't see anything.

It seems a resistor driving the display contrast is dead. What I did was remove the display and find a little row of resistors on the back and solder a new one on at the first open slot. A 300 Ohm resistor did it for me: $0.10 at Radioshack.

A schematic of almost the same LCD can be found here.

I should have taken a picture of the exact spot I put the resistor, but I didn't and it's back together now (ready for the next 6,000 coffees!) But once you look on the back of the module, it'll be obvious: there's a row of little resistors in the middle with 2 spots left open. I took the first open slot to solder mine.

Jan 09, 2010 | Gaggia Titanium Espresso Machine

1 Answer

No power..worked fine yesterday


HI
3 things
1. You power filter is bad and needs to be replaced.
2. Your board is bad and you need to replace it.
3. If your lucky there is a fuse on the back side of the boiler and it is blown.

Jan 06, 2010 | Starbucks Saeco Italia Digital Barista...

1 Answer

Maker clicks on, but doesn't perk or heat the plate.


Unlike older coffee makers, the new Mr. Coffee designs seem to have reliability issues in regard to their circuit boards/controllers. You are right in your thoughts. If the unit is under warranty, I would suggest returning it for a replacement. E-mail your concerns directly to the company.

BTW--there are no user serviceable items within your coffee maker.

Mar 26, 2009 | Mr. Coffee FTX49 12-Cup Coffee Maker

1 Answer

Machine does not stop after dispensing two shots of espresso


That kind of machine is pretty well engineered!Very solid and work on a basic deal.The problem could be just the simple on/off button.
The pump is controlled by the button and if the button don`t stop the machine still understanding you need more until you close the circuit.Sometimes coukld be also a loose wire.

In some way you are lucky because that machine have not electronic board so...less part.....less problem


Don`t forget to rate your experiene

Fabio

Nov 26, 2008 | Saeco VIA Venezia

1 Answer

Start Thermostat


This machine has only main control board and beyond the basic settings is not possible to make any changes. Perhaps it was there to reset previously set water temperature in the tank.

Jan 20, 2008 | Fetco International CBS-2018 Coffee Maker

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