Cuisinart DGB-800 Series Instruction Booklet page 12

To decalcify your coffeemaker, fill the water
reservoir to capacity with a mixture of ⁄ white
1
3
vinegar and ⁄ water. Turn on the coffeemaker
2
3
and press the Program button 3 times to enter
CLEAN mode. Hold down the Program button
until the CLEAN icon begins to flash. Press
the Brew button to begin the clean cycle.
One cycle should be sufficient to clean your
coffeemaker.
NOTE: The CLEAN icon will continue to flash
until the cycle is complete. When the cycle
is completed and the 5 beeps sound, press
the ON/OFF button to turn the unit off. If the
CLEAN icon remains on the LCD display,
repeat the operation once more, using only
fresh cold water.
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