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PID on Expobar Brewtus short-circuited - what now?
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Dunja
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Joined: 14 Sep 2010
Posts: 24
Location: Belgium
Expertise: I love coffee

Posted Wed Sep 12, 2012, 1:20pm
Subject: PID on Expobar Brewtus short-circuited - what now?
 

Just when one problem was resolved (my previous posts on removing the detergent taste), and we finally got a decent espresso from our Expobar Brewtus IV, a new malfunction appeared :( Namely, the PID all of a sudden displayed "A2", which according to the manual means an alarm for a short circuit. And this on a 2 months old machine! Really nerve racking.
We've emailed the shop where we bought the machine, but until they reply, can anyone tell me whether this means that only the PID itself short-circuited and otherwise the machine can be used on the basis of a guess regarding the temperature, or whether it is unsafe to use it in this state? Many thanks in advance.
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,842
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Wed Sep 12, 2012, 1:31pm
Subject: Re: PID on Expobar Brewtus short-circuited - what now?
 

Sorry to hear about this.
I don't have direct info on your issue. I don't know if the short is in the PID unit or heater or something else. If the PID is bad, I don't see how you could use the machine. The PID is what controls the temp and there is nothing to regulate the temp otherwise.

The store is your best bet and it should be a covered repair. Electronics can be a pain. From personal experience, if electronics have an issue, it will come up fairly early in the life of a product. If you make it past the first year of an items life and have no issues, most likely you will be OK from then on. Heck, I still have a TV we bought in 1983 and it is still going strong though we don't use it much if at all for anything now.

I really think you will not be able to do much with the machine until the short is repaired.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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Dunja
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Joined: 14 Sep 2010
Posts: 24
Location: Belgium
Expertise: I love coffee

Posted Wed Sep 12, 2012, 2:25pm
Subject: Re: PID on Expobar Brewtus short-circuited - what now?
 

Thanks a lot for the reply, will wait to see what the shop says then. Hopefully we get the machine repaired soon :-/
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JGG
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JGG
Joined: 31 Mar 2006
Posts: 1,377
Location: Kentucky, US
Expertise: I like coffee

Espresso: PID Silvia; PID Alexia
Grinder: Mazzer SJ
Roaster: Hottop D w/HTC+TC4C
Posted Wed Sep 12, 2012, 6:39pm
Subject: Re: PID on Expobar Brewtus short-circuited - what now?
 

I think that code means the probe has a short circuit.  Best guess is that the wires going from the PID to the NTC temperature sensor are broken at the boiler and that one or more strands are shorting together.  Try replacing the probe first since that shouldn't be too expensive.

Jim
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