glyn Senior Member Joined: 5 Jan 2013 Posts: 2 Location: oakland Expertise: I love coffee
Espresso: Cuisinart EM-100
Posted Sat Jan 5, 2013, 3:35pm Subject: Cuisinart EM-100 Espresso Machine Pump constantly thumping!
When I turn on power for Cuisinart EM-100 after a few seconds the pump starts thumping, same sound as when I turn the lever to "Steam". Even though lever is set to "neutral" position, thumping noise continues for minutes. I tried running Steam for minutes hoping it would reset or clear itself. I also tried making coffee, running hot water through steam wand, decalcified with vinegar/water.
What causes a pump to start thumping continuously no matter what position you turn lever to?
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 5,652 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Veneziano A1 Grinder: Many different commercial Vac Pot: 40s era Silex Drip: Milita, Bunn&Curtis... Roaster: Cast iron pan, gas burner
Posted Sat Jan 5, 2013, 7:40pm Subject: Re: Cuisinart EM-100 Espresso Machine Pump constantly thumping!
It sounds like the pump is running non stop. If you have any of the 3 year warranty left then send it back for service if not count yourself lucky it lasted this long.
If you like espresso then it may be time to upgrade the machine and grinder. Those machines are best suited as wedding gifts that are never used.
In real life, my name is Wayne P.
Feed the newbs, starve the trolls and above all enjoy what you drink!
glyn Senior Member Joined: 5 Jan 2013 Posts: 2 Location: oakland Expertise: I love coffee
Espresso: Cuisinart EM-100
Posted Sun Jan 6, 2013, 12:21pm Subject: Re: Cuisinart EM-100 Espresso Machine Pump constantly thumping!
Thanks for the reply. I called customer care and was told I can take the machine to any California retailer with proof of purchase, and they can exchange the machine. (within 3 year warranty period) The instruction manual actually states this on the last page, but I will first call the store where I bought the machine and talk to the manager about this return/exchange policy to see if they are aware of it.
I have used the machine at least once almost every day for about 2 years, so it has held up pretty well.
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