Yesterday the stream boiler pressure relief valve blew and released a large volume of steam into the machine. The PID controller display had visible moisture in it. The machine power-off due to GFCI tripping.
BTW, my machine is a Brewtus III Rotary with blue PID display. I think the steam boiler pressure stat got stuck and that caused the blow out. I replaced the pressure stat ~18months ago. During my trouble shooting this morning, the pressure stat and steam boiler seem to be functioning correctly. I turned the pressure stat down slightly, that may have "unstuck it". I have traced the issue to the brew boiler. The controller and pressure stat are both indicating that current should be applied to the brew boiler but I am not registering any voltage on the brew boiler (and it's obviously not heating). I am getting 110VAC on the steam boiler when the pressurestat opens. Some additional info... When I fired the machine back on after the blowout the PID controller read "A1", which apparently is a general error state. I thought it might be the temp sensor, so I open the machine and wiggled the thermocouple leads on the brew boiler and it started reading again, or it just dried out and started reading again. I have not looked at the schematic yet, but it looks like the PID controller opens a relay just below it that should put 110VAC on the brew boiler, but it's not applying any current. What could be the problem here? The brew boiler and steam boiler leads are both reading zero ohms. Thanks for any help! -Frank -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/brewtus. For more options, visit https://groups.google.com/d/optout.
