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Re: how do you descale the keurig B40
Use descaling product not vinegar ,vinegar remove calcium in little piece descaler melt calcium 1 part descaler 1 part water fill water container start machine for a few second turn off let it seat for 15 minute repeat untill empty to reset the lightnormally its maneer of pressing the on button
i get back to you on that one pierre
If you are using the cup where you can add you own coffee, you must SCRUB the little screen inside periodically. I soaked mine in vinegar for several hours without success. But I used clorox scrub stuff and a wire brush....magically...a full cup of coffee. I have no solution if you are using the boxed K-cups and have this problem.
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Per Pages 9 and 10 of Keurig Model B40 Use and Care Guide,
1) turn off the "Auto Off "feature
2) fill empty water reservoir with 48 ozs of undiluted white vinegar.
3. Place ceramic cup on the drip tray and run a brew cycle. Do not use a K-cup!
4. Press the large mug Button
- let Keurig coffee maker fill mug with vinegar & empty in sink.
5. Repeat brew process until water reservoir of vinegar is empty. (remember to open and close lid between each cycle so large mug Button will flash.
6. Rinse the water reservoir thoroughly and fill with fresh water.
7. FINAL STEP RINSE CYCLE
a) place a ceramic cup on the drip tray
b) run regular brew cycles WITHOUT using a K-cup.
c) pour rinse water into sink each time.
d) repeat brew process until water reservoir is empty.
d) perform additional rinse cycles if you notice any residual vinegar taste.
e) if the red "De-scale" light remains illuminated after completing descale and rinse cycles, repeat the descaling procedure above.
Otherwise - you're good to go!