Isomac Viper Problems - any ideas

jaypnz

New member
Apr 13, 2013
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Hi there
I have a Isomac Viper Espresso machine, but am having some issues. The last time I used the machine I found that the pressure at the steam wand would decrease and not increase or go up. I also noticed a distinct burnt metallic smell in the milk. I thought possibly it was burnt milk inside the wand. Can anyone give me some info on this?

Many thanks
 

shadow745

Well-known member
Aug 15, 2005
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Central North Carolina
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Could be calcium buildup (from milk) in the steam wand tip. Do you clean the tip often? Alot of machines allow the tip to be removed from the wand for a good soaking.

You should always purge the tip after each use as well. A quick burst of steam alone usually won't do it... I clean by submerging the tip in a mug of water, opening the steam valve and activate the pump until I get all steam out and have hot water flowing through. This can be done on pretty much any single boiler/double use home machine. It cleans out the tip well and ensures the boiler is topped off for further use.

You may also want to descale the boiler, steam valve/wand as well.
 
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