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Brewtus 4 Steam boiler issue

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New to this forum so feel free to redirect if my question is not new.

My expobar brewtus 4 was working fine. But a couple of days ago the steam boiler went AWOL. When I only flip the main power switch, all is fine and great shots are brewed. But when I also flip the steamer switch, the temp reading on the pid drops. And no steam is made. 

I followed the whole latte love video on electric trouble shooting and it all seems fine except for the reading on the static relay. It doesn't jump from 0 to 50 volts but from 50 to 55 volts.  So the boiler gets power alright, but it doesn't build steam and it even seems to block the main boiler from keeping a steady 94⁰c.


Anyone had the same issue?

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For some reason Expobar used to give the machines steam boiler priority...if that helps fault finding.

 My reviews at https://coffeeequipmentreviews.wordpress.com/ - Various Machines and grinders, Amazon Dalian 1kg Drum Roaster: YouTube channel at https://tinyurl.com/szhgxzl .......

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