Question about Keurig Elite B40 Coffee Maker

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Why doesn't the heating light come on?

The auto of light comes on when I turn on my machine, but the heating light does not go on.

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Handle not engaged properly.

Posted on Feb 04, 2014


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Posted on Jan 02, 2017


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Hi, my air handler, when the thermostat is on auto will usually turn on but sometimes it doesn't. When the thermostat is set to "on" it always comes on. This has happened with 3 different thermos

Im willing to bet you have a bad relay or sequencer that energized the fan. If it periodically works when in auto im sure this is your problem. If you have a wire landed on the G terminal you should have your tstat set up as electric heat OR tstat energizes the fan rather than gas OR equipment energizes the fan.

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A Krups KM7005 coffee maker/grinder doesn't heat or drip water .

Mine had the same problem ... all the lights are on, grinding works fine, but no heat on the plate, and no dripping of water.

After a weekend on the workbench, I mastered this machine. The KM7005 has 2 x MicroTemp G4 thermal cutoff (TCO) fuses which interrupt the Live line, for overheat protection. Mine didn't overheat per se, but the TCO blew anyway. Not reset-able ... need to be replaced with a soldering iron. To date, I have helped 13 people on this site fix this exact problem.

I'll be happy to advise you to fix this, or fix it for you. Write me at

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