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Nice! You could sell them. I bought mine from a guy on Etsy - Abbey Cat Brewing - I'm sure he's making them in the garage.

As far as I know the defect was only on the 3.0 Robobrew and for sure I haven’t seen upgrade boards for earlier versions.

It looks like this unit came out in early 2017 and replaced the original model, but possibly predates version 2.0 as i recall the 2.0 didn’t have a pump. Theres some history on this site, but looks like it’s been idle since 2018: RoboBrew - Single vessel, automated all grain homebrew beer

My situation is the same as @RePete. If you have the 3.0 35L 110V and the control & display boards have not been updated I suggest you buy the set - Williams has been back ordered quite often. EDIT: in stock now...

Ah ok, the sediment probably caused heat build up. Hadn't thought of that.

Sounds like you had pumped all the wort out of the false bottom space before you lifted the malt pipe. This can happen, especially with smaller beers. I keep the grain (don't allow overflows) and hops (hop spider) out of the boil and have very little sediment left at the end of boil.

Me too Possibly error code E3 (boil dry protection triggered) or E4 (temperature overheated)?

You should be boiling off 1 gallon per hour

Sorry you undershot. I try to stay close during the mash. Even if I step away to do cleaning or prep I end up overflowing. I try no to step away unless the pump is off. My leaves are still sitting out there :-) I‘ve never used the auto mode...

I get very inconsistent recirculation flow on the 35L. I have a couple recipes where it’s due to grain bill but I‘d say for all recipes I’m restricting pump flow and cycling the pump on and off. I also time the pump on right after the heaters turn off which puts the hot wort on the grain and...

Always feels good when you hit that OG! Was grain passing though the bottom screen due to grain crush or overflowing the top of the pipe?

Yeah I recall, thick mash :-o I subbed 2 lb DME for the 2-row. I was light on pre-boil, had some other issues maintaining boil (DME related) and ended up at 8.9%

Welcome! Check-in on this thread if you have questions about your process or equipment...

I think we brewed the same RIS recipe a few months ago. I put mine on tap before Thanksgiving and loving it!

I’m brewing a west coast IPA on Saturday and a Biere de Garde on Monday. I’m on track for 25 batches this year. Basically I brew as soon as one of my 2 fermenters opens up. Amazing how fast those kegs empty!

Can set the gap using a feeler gauge? That way you’re not estimating and you have more resolution. I always key in on the pre-boil SG as an indicator vs target. If I’m close on that then my efficiency will be close.

Interesting. I’m getting 75-84% since I dropped my mill gap to 0.032”, this includes large grain bill batches. I’ve also been stirring the mash on 15 minute intervals. Interestingly when my gap was at 0.039 I always struggled with efficiency.

Whatever works best for you. I’ve messed with 3-4 different parameters to get my efficiency in the ballpark and now am thinking about what I might back off on.

Go figure. I'm not seeing any pattern with recirculation flow, top screen or not, but I can see where the top screen could contribute to compacting the mash.

Good point on the safety issue. I do mostly big beers and without the center pipe it can overflow the top of the mash pipe. On smaller grain bills I’m putting a marker above the mash bed and just keep an eye on it.