On 6/12/16 5:24 PM, [email protected] wrote:
Todd and everyone,
Thanks for the replies. I'm beginning the troubleshooting process, and
it's a little strange.
My VOM doesn't have a dedicated continuity setting, so I used the 200Ω
resistance scale. Although the readings bounced around some, I got
basically 1.0Ω between both COM and NO, and COM and NC, implying
positive continuity in both circuits. I'm not sure how to interpret
that. With positive continuity in both circuits, are they closed or open?
That's with the wires disconnected? If not, perhaps it's finding some
other path between the contacts.
Then I checked the high-limit safety over-heat cutoff. On both
boilers, the tiny red reset switches have broken off (due, I suppose,
to years of prolonged heat). One broken red reset was lying on top of
the brew boiler. The other is gone. I used a very small allen wrench
to push down inside the conical housing of the steam boiler's high
limit switch (which now has a tiny open hole). Then I hooked up the
Brewtus and turned it on to see if the red boiler light (indicating
power to the steam boiler) went on. It did, and then three seconds
later, the safety fault detector in my electrical wall outlet tripped.
I reset it and tried again. Same result.
Check to make sure you haven't accidentally pushed a wire into contact
with the case or a boiler or something. Or maybe the high-limit switch
is mashed to the point where it's somehow shorting to ground?
I live in Portland. If you fancy a trip to the city, I could take a
look. Maybe we can figure it out together!
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