Question about Krups FMF5-14 Stainless Steel 10-Cup Coffee Maker

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Krups water level problem

I am getting a low water alert from my krups fmf6 coffeemaker even though the resevoir is full. Any help is appreciated.

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  • cpg1959 Jan 27, 2008

    I appreciate the help. Unfortunately, the low water alert keeps the unit from making coffee. We'll be sending it back to Krups.

  • Anonymous Jun 18, 2008

    We had the same problem on our Krups FMF 5 starting about a month after we got it in Feb, 2008 Took it it to be repaired and then finally got sent a replacement after a month of that stuff. It did the same thing the first time we tried to use it. Sent that back in, and finally have a third one that we received today, June 17. Hope third times a charm. We believe that they received a bunch of bad chips and there are probably more coffee makers floating around with this same problem. Call Krups, make notes each time you call, and keep after them. Good luck!

  • shards72 Mar 01, 2009

    Same issue...and same issue with Krups Krummy Support. I got the "Sorry it's broke...send it to us at your expense and we'll give it a shot" response...Going to pitch it in the trash and get a different brand...



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I have the Krups FMF5 Gives a 'low water alarm' when it's full of water. Take a cheap multimeter from Wal-mart find which themal fuse on the heating element doesn't have continuity. Should be two of them on the unit, one on each side of the silver 'U' shaped element, They are covered in a white sleeve, with a metal retainer holding it to the element. They connect to the power wires White one and Black one going to the element. Mine was a SEFUSE rated for 214 degrees C, Less than $2.00 at Radio Shack I replaced it with a 226 degree C rated SEFUSE which is better than removing it entirely. (it is a safety fuse) I reused the old crimps holding it to the wires, Don't know if solder would hold up. Works like a charm.

Posted on Dec 11, 2009

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  • Grant Oct 20, 2011

    I had the exact same problem and resolved the issue using these steps as well. Both of my fuses were bad so it cost me 3.50 for two fuses :)

  • wayne2011 Nov 26, 2011

    Thanks for steps saved me from buying another coffee maker. Only had Krups coffee maker for 3 months. Parts: 2 fuses $3.88 from Radio Shack, time about 2 hours ( had problems getting security screws out ) Torx bit not long enough so I packed the extension with paper which allowed just enough bite to remove the screws. Krups should really not use inferior electronics.

  • turbomustang
    turbomustang Mar 17, 2013

    Same problem and same fix. Thank you so much JC1500. You just saved me $150 on a new coffee maker with a $1.79 part. Awesome!! Not everyone will have the Torx bit that is needed. You need the one with the hole in the middle.

  • B Davis Jun 29, 2013

    JC -- extremely helpful and informative comments. Job took a couple of hours, including trips to Home Depot and Radio Shack for bits and parts. Now the unit works like new. Kudos and many thanks!

  • Dan Jekic
    Dan Jekic Jun 12, 2014

    Feels great when we fix it ourselves! Wouldn't have had a clue without your help - Awesome!


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it looks like your coffee maker has a LCD display panel driven by a discrete electronic circuit board inside. similar to brita water filter which is driven by an integrated circuitry. be honest with you, many manufacturers' product designers, especially today's new generation, they only look on good and fancy side and forget about durability, yielding a lot of junk products. unless it is still covered by warranty, otherwise, don't spend good money on bad, just ignor the warning, or disable the warning if you could.


Posted on Jan 25, 2008

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I had the same problem. I bought my coffee maker about 2 years ago. A few weeks before my warranty expire, I got "low water alam". I sent it for repair and they sent me a new replacement. A few days ago, it did it again. Unfortunately, Krups said my warranty expired aleady and I could send it for repairs but I have to pay for it. I think the coffee maker only has a year life span. I'll never buy Krups again!

Posted on May 10, 2010

Its the thermal detector which is secured near the water tube of the main heater/water boiler. I'm trying to get a replacement part.

Posted on Apr 26, 2008

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You may find this a useful site in the future:

Your Instruction Booklet:

It is likely that calcified deposits are gradually breaking away as you now use the coffee maker. Is your Self Clean light flashing? Instructions on decalcification and cleaningh begin on page 5 of your booklet.

To clean, fill the water reservoir to capacity with a mixture of 1/3 white vinegar and 2/3 water. For your problem, let the vinegar solution sit in the reservoir for 30 minutes to an hour before beginning the cleaning cycle.

Press the Self Clean button. When the self clean light glows, turn the coffeemaker on by pressing the ON button. The self clean light will shine steadily. The coffeemaker is now in Self Clean mode. One cycle should be sufficient to adequately clean the coffeemaker. When the cycle is completed and the five beeps sound, the coffeemaker will shut off. Turn the coffeemaker ON to see if the Self Clean light continues to flash. If it does, turn it to OFF and then repeat the cleaning procedure with a fresh solution of vinegar and water.

If the Self Clean light no longer flashes, turn the coffeemaker to OFF and then run one cycle of fresh cold water through the unit before using the unit again to brew coffee.

If you continue to see debris, unfortnately you will have to repeat until clear.

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Water Level ////Amount of Ground Coffee

42 Cups --2 ½ Cups
36 Cups-- 2 Cups
30 Cups- -1 ¾ Cups
28 Cups --1 2/3 Cups
24 Cups --1 ½ Cups
22 Cups --1 ½ Cups
18 Cups-- 1 ¼ Cups
12 Cups --1 Cup

1. With basket and stem removed, fill coffeemaker with COLD water to desired level using the cup markings on inside of coffeemaker as a guide. Do not make less than 12 or more than maximum capacity of the coffeemaker at one time.
2. Place stem into heating unit in bottom of coffeemaker, then put basket on stem. Spread the recommended amount of ground coffee evenly into the basket. See chart. Use regular electric perk grind coffee or coffee ground for all coffeemakers. Do not use drip or finely ground coffee as flooding of the basket can occur.
3. Turn cover in place on coffeemaker. To reduce coffee spills, especially if coffeemaker is tipped over, make sure cover has been turned clockwise until it is completely secured in the handle slots. (Note the arrows on the cover for correct turning.) The cover temporarily reduces coffee spilage if coffeemaker is tipped over, so care should be used when moving coffeemaker.
4. Place coffeemaker on a dry, level surface. Attach cord to coffeemaker and plug into a 120 volt AC electrical outlet ONLY.
5. Coffeemaker stops perking automatically. (Each cup of coffee requires about 1 minute brewing time) Serving light will glow when coffee is ready. Before serving, use a hot pad to remove cover, then carefully remove stem and basket from coffeemaker as coffee and grounds are HOT. If not removed, bitter oils from the coffee grounds will drip into coffee. Replace the cover making sure it is completely secured into the handle slots.
6. Coffee will remain at serving temperature as long as coffeemaker is connected to outlet. (if you have an insulated coffeemaker, the sealed-air insulation will keep coffee hot for up to two hours without electricity.) To serve, place cup and saucer under faucet and press down on handle. If a continuous flow is desired to fill a carafe, lift handle straight up until it locks into open position. When approximately one cup of coffee remains in coffeemaker, disconnect from outlet.
TO MAKE MORE COFFEE: If another pot of coffee is desired right away, partially fill coffeemaker with cold water to reset the thermostat. Pour out water, refill with cold water and repeat steps 1-6.
TO HEAT WATER FOR INSTANT BEVERAGES: Plain water may be heated in your coffeemaker for use with instant beverages. Simply fill the clean coffeemaker with cold water to the desired cup level, and then place the stem and empty coffee basket in place. Using the stem and empty basket will heat the water more uniformly. Secure cover in place and plug coffeemaker in. Heat water until perking stops and serving light comes on. Unplug coffeemaker when less than 1 cup remains. Other than making coffee or heating water, no other liquid should be heated in coffeemaker as damage to heating unit can occur.
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