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Odd Noise From Oscar When Heating Up
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hotwasabipeas
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hotwasabipeas
Joined: 19 Aug 2011
Posts: 183
Location: New Albany, Ohio
Expertise: I live coffee

Espresso: Crossland CC1, NS Oscar,...
Grinder: Baratza Vario 886
Drip: Flavia SB100 (makes a hot...
Posted Fri Mar 1, 2013, 3:55pm
Subject: Odd Noise From Oscar When Heating Up
 

A couple of times, within the past week, I have noticed an odd noise emanating from my Oscar.  It only happens during the initial heat up after turning Oscar on in the morning.  Everything seems fine with the machine but if anyone has an idea what the noise might be let me know.  Here's a quick video of the problem: Click Here (www.youtube.com)
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Coffeenoobie
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Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,052
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Fri Mar 1, 2013, 4:55pm
Subject: Re: Odd Noise From Oscar When Heating Up
 

The hollow knocking sound?  It sounds like the boiler amping the sound.  I have not heard that before.

 
Coffeenoobie

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Markarian
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Markarian
Joined: 27 Jun 2012
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Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Fri Mar 1, 2013, 6:29pm
Subject: Re: Odd Noise From Oscar When Heating Up
 

An air bubble in the HX, maybe? Try running the pump for about five seconds right when you start it up and see if the noise happens then. This would be a good question for our resident Oscar Guru, Plindy!
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DeanOK
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DeanOK
Joined: 24 Sep 2012
Posts: 715
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Fri Mar 1, 2013, 6:31pm
Subject: Re: Odd Noise From Oscar When Heating Up
 

If you have not descaled the machine in a while, you should descale it. Mineral build up on the heating element can cause the boiler to be noisy.
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Coffeenoobie
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Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,052
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Sat Mar 2, 2013, 9:21am
Subject: Re: Odd Noise From Oscar When Heating Up
 

It does sound like noises from the boiler.  When did you last descale?

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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dyno
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Joined: 20 Nov 2011
Posts: 70
Location: Canada
Expertise: I love coffee

Espresso: Salvatore The Club/Oscar
Grinder: K6 Pro/Super Mini E
Posted Sun Mar 3, 2013, 5:43pm
Subject: Re: Odd Noise From Oscar When Heating Up
 

Mine makes similar sounds if I forget to open the steam valve.
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