Question about Coffee Makers & Espresso Machines

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Coffee maker RIVAL MODLE CM800

Will not make coffee does not heat at all. lights for no and off work clock & programmer OK

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  • SF_Mvandyke May 10, 2009

    Mr. Coffee ECM21 E & C Maker, 6 months old, used occasionally yet
    'mysteriously stops brewing on the "Coffee" side.




    Exterior Dials appear to work fine and light as they should, the Espresso side works fine, however, as I side above the coffee pot side neither brews nor does the plate heat. Opened it up to find a part attached
    to the plate with detachable wires EXTREMELY blackened, corroded or possibly shorted out. I have been hunting for a manual for two weeks to identify this component attached to the plate without any luck.

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Mine did this too, check for a hidden Zehner Diode. Mine came inline before the heating element. I thought it was the thermostat or the element but turned out that the diode failed and i was able to bypass it for a sec, and i mean literally a sec, and turn on the mach. Heating element heated right up, which is all i wanted to see. Looks like once i determine the value of the diode, i should be able to replace it and coffee maker will most likely be fine again. :) I think i can read the numbers, and it looks like 1250v 10A for mine, you should examine the casing of diode closely and you may find numbers on it.

Posted on Aug 17, 2009

  • Dj Williamson Aug 17, 2009

    Wrong value on Zener Diode. looks more like 10a 250V....hard to read LOL

  • Dj Williamson Aug 17, 2009

    May also be called the Thermal Fuse.

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Several possibilities:

  • bad thermostat
  • bad timer
  • bad element
You can check all the items except the timer (if electronic) by disassembling the unit and using a multimeter. The thermostat is a black button about 12 mm (1/2 inch) in diameter with two wires. The heater is usually part of a casting and has connectors on it. Also, cycle all connectors to defeat corrosion.

Posted on Jun 02, 2008

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1 Answer

How to make the clock/drip coffee maker work. The display does not turn on anymore.


DeLonghi BCO120T Programmable Espresso Coffee Maker Team De-Brewerz.com says:



1. Your coffee maker PC board/display might get fused or blown off. You just need to replace the PC board.



You can claim the warranty if recently purchased through www.De-Brewerz.com. If you are in India then contact us at de.brewerz@gmail.com

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I have had a few Brewstations and you are right the blue display light is way to bright but no you can NOT tone it down. I placed a postit over mine and it worked great

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Set time to start brewing in the morning


The following instructions shuld have you in hot coffee in the am.

S E T T I N G T H E C L O C K A N D D E L A Y B R E W T I M E
On programmable models CGX20/CGX23 & CGTX84/CGTX85 only
To Set the Clock:
1. Plug the power cord into a standard electrical outlet. The clock will flash on the control panel to
indicate that the time has not been set yet.
2. Press and hold the HOUR and MINUTE buttons until you
reach the current time. The PM indicator will light on the left
of the display.
The clock is now set!
NOTE: Pressing any button before setting the clock will cause
the clock to start keeping time from 12:00 a.m. You must set
the clock if you want to use the Delay Brew feature.
To Set the Delay Brew Time:
After setting the clock, simply press and hold the SET DELAY
button (Figure 1), and set the brew time by pressing the HOUR
and MINUTE buttons. The PM indicator will light up on the
clock display.
The Delay Brew Time is now set!
NOTE: To activate the DELAY BREW cycle, see the “Brewing Coffee Later” section.
To check the programmed time, push the SET DELAY button. The display will show the time you have
programmed the coffee to brew.

http://www.mrcoffee.com/Manuals/MANUALS/CGX20_43_62164399.PDF

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2 Answers

Coffee maker stoped working


  • Make sure the power supply is all rite (if not try with different socket)
  • If your able to seee light..then try re-programme it using buttons.
  • Still if you face same issue ..i request you to call technician.dont try any thing,Give it to safe hands
  • Thanks
  • Jul 22, 2009 | Gevalia 50041 / 50443 Coffee Maker

    2 Answers

    The power cord is hot but no lights or clock, nothing works.


    ok " un plug coffee pot, if you take the base apart you will find the wiring, follow wiring to a round disk on the heating tube ,
    that disk is a heat sensor , replace that sensor .

    any appliance parts store will have them

    sensor is bi-metal on the inside when it gets too hot it shuts power down.

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