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Bunn coffee maker trips the breaker

Recently our Bunn coffee maker suddenly started tripping the breaker as the water heats up. It will power on and the water will start to heat and then about 60 secs. into it the breaker will trip. Could this be due to the limit thermostat or the solenoid? Thanks

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Re: Bunn coffee maker trips the breaker

It is possible that you have a short in your limit thermostat, but most likely this is caused by small holes in your main heating element. these units start to split length ways down the element, causing a short to ground through the water. These elements are readily available at your local Bunn repair shop.

Posted on Feb 13, 2009

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Check the power cord for damage, and repair anything you find.

If confident enough, open the unit up and inspect all the internal wiring - check for chafed wires and for terminals that have come undone or that are touching anything they aren't obviously meant to.

Check the unit hasn't got wet inside - mop dry then leave to dry out properly in warm air for a couple of days if it has.

If that doesn't throw up anything obvious, then you're probably looking at insulation breakdown of some component (my money would usually be on the element). For a unit like this, I doubt it's economic to start buting spare parts, so you're probably better off buying a new coffee maker.

Good luck


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