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Isomac Tea 2 - Lots of noise when flipping the main lever but no water suction
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jgrietveld
Senior Member


Joined: 6 Apr 2013
Posts: 2
Location: Dublin
Expertise: I love coffee

Espresso: Isomac Tea II
Posted Sat Apr 6, 2013, 10:41am
Subject: Isomac Tea 2 - Lots of noise when flipping the main lever but no water suction
 

Hi,

I have an Isomac Tea 2 which has always worked perfectly.

It hasn't been used for about 1.5 years until today. But after heating it (which was more noisy than I remembered) I flipped the main lever to get the water running through it, but no water came out nor where any of the tubes being filled up with water. The only result was a lot of noise coming from the machine.

Also the pump manometer wasn't showing any increase in pressure.

I've created a little video of this - maybe it helps clarify the issue: http://youtu.be/uZI5zTjeAJg

Any help would be highly appreciated.

Thanks,
Jerry
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SStones
Senior Member
SStones
Joined: 24 Nov 2012
Posts: 455
Location: Canada
Expertise: Professional

Espresso: Giga 5, ECM Giotto, Rocket...
Grinder: Anfim Milano-Best
Vac Pot: No  :(
Drip: Some $30 thing from Walmart
Roaster: I buy pre-roasted.
Posted Sat Apr 6, 2013, 11:22am
Subject: Re: Isomac Tea 2 - Dead Pump, Heated anyway.
 

So your pump has gone dry and will need to be primed and most likely replaced.
It is possible that your boiler was heating nearly empty if it was awfully noisy, and your element may have been destroyed if it heated too long without being submerged.
You might want to disconnect the heating element while you figure out the pump issue, unless you're certain the boiler is filled properly.
While disconnected, test the element for shorts to ground at both leads with your ohmeter set to the maximum range (Like 200K-Ohms or whatever it has).  If there's no conductivity at that range to ground, then the element survived.
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jgrietveld
Senior Member


Joined: 6 Apr 2013
Posts: 2
Location: Dublin
Expertise: I love coffee

Espresso: Isomac Tea II
Posted Sun Apr 7, 2013, 1:49am
Subject: Re: Isomac Tea 2 - Dead Pump, Heated anyway.
 

Hi SStones,

Thanks for your reply! I don't have the tools in house to do the tests you're suggesting.

Do you know if there's a manual available or online that shows how to disassemble the machine and disconnect the heating element?

Thanks,
Jerry
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