Okay, perhaps I haven't been clear. The steam boiler heating element remains engaged and on (heating up the steam boiler to the point where the safety release triggers) NO MATTER WHAT I DO.
I've replaced the Pressurestat TWICE in two days with brand new ones I've had in storage. The P-stat wiring is correct. No change at all. The heating element in the steam boiler does not turn off. . I've watched the old WLL video about adjusting the pressurestat by turning the notched wheel and have turned it down (as far as it will go). No change. I have tried every combination of the two front panel main switches — Main power ON, Steam boiler ON from a cold start. Main power and Steam switch ON from cold start, then, when the steam boiler reaches 1.3 bars, turning off the Steam switch. Main power ON, Steam boiler OFF from a cold start. NOTHING keeps the steam boiler from heating until the boiler blows. Someone could figure this out, folks, but I don't think I can. I bought this machine in 2016 as an eBay refurb from WLL to have on hand in case my my old Brewtus II went down. It was advertised as a plain Brewtus IV (vibe pump and reservoir), so imagine my surprise when I opened the box in 2019 and discovered a IV-R. It's now plumbed-in and hard-wired to power. BUT — In two years of daily service, it's broken three times. I'm sick of this and don't trust the machine at all. I think I'll just bring my old Brewtus II out of storage. Maybe I'll buy a Profitec P300. Or maybe, just maybe, I'll give up espresso entirely and just do Clever Dripper immersion-pourover coffee. I don't know. If anyone on this board wants a damaged Brewtus IV-R and lives close enough to Columbia, Missouri to come pick it up, it's yours for free. I just want it gone. On Wednesday, November 24, 2021 at 3:10:17 PM UTC-6 OzAaron wrote: > Just a quick addendum to JP's post. The PSAT will literally make it > impossible for the controller to keep powering the boiler once up to > pressure, so I think you can definately rule out controller. > > Cheers, > Aaron > > On Thu, 25 Nov 2021, 3:12 am Jonathan Stroum, <[email protected]> wrote: > >> If disconnecting it and letting the brew boiler come up to operating temp >> allows it to work properly, that’s certainly a valuable clue. Wonder if >> your controller is wonky or if there’s an intermittent connection or cross >> wiring somewhere. If you can check voltages while these things are >> happening, that’ll undoubtedly offer more clues. >> >> >> >> Doesn’t sound like pressurestat failure but in the process of R&R >> something is reset. >> >> >> >> JP >> >> >> >> *From:* [email protected] <[email protected]> *On Behalf Of * >> triplereef >> *Sent:* Wednesday, November 24, 2021 7:57 AM >> *To:* [email protected] >> *Subject:* Re: Boiler pressure won't stop rising >> >> >> >> I've notcied thay my pstat on the brewtus will fail about once a quarter >> - if i disconnect the steam boiler, let the main boiler heat up first and >> then reconnect, it is all of a sudden ok. I'm on my third pstat and the >> current one is a well built $80 part. I've taken it off several times to >> check for scale build up and nothing. >> >> I think theres a weird back-pressure gremlin that sucks the diaphragm >> down on occasion and I just need to reboot, as they say. >> >> >> >> On Wed, Nov 24, 2021, 10:48 AM Jonathan Stroum <[email protected]> wrote: >> >> Are you adjusting the pressurestat with the thumb wheel? Sure the wiring >> is correct? >> >> >> >> JP >> >> >> >> *From:* [email protected] <[email protected]> *On Behalf Of >> *Herman >> Dickens >> *Sent:* Wednesday, November 24, 2021 7:37 AM >> *To:* [email protected] >> *Subject:* Re: Boiler pressure won't stop rising >> >> >> >> Sounds like the pressurestat.. >> >> >> >> Herman >> >> >> >> >> >> On Wed, Nov 24, 2021 at 12:28 AM billherbst <[email protected]> wrote: >> >> I walked into the kitchen this evening to discover my Brewtus IV-R >> hissing. I immediately looked at the steam boiler pressure gauge. It was at >> 2. The safety release valve hadn't tripped yet, but it would soon. >> >> >> >> I thought, "Damn, the pressure switch has failed" (second time in two >> years). >> >> >> >> Having replaced the pressure switch numerous times on both my old Brewtus >> II and now my Brewtus IV-R, I keep new replacements on hand. So, after >> letting the Brewtus cool down some, I swapped out the pressurestat in the >> machine and hooked up a new one. Easy-peasy, right? Wrong. >> >> >> >> Turning the Brewtus on again, the steam pressure rose to 1.2 and just >> kept going. So, if the pressure switch isn't the problem, what is? Why is >> the heating element in the steam boiler not shutting off? >> >> >> >> Having already had a problem last year with scale causing the refill >> valve to stick, I'm wondering if I have another malfunction due to hard >> water scale. 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