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Walts Malt
Joined: 27 Sep 2013 Posts: 119 Location: Farmington, MN
Drinking: Two Hearted Clone
Working on: Planning my Fall Brewing Schedule
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Link Posted: Fri Feb 03, 2023 3:45 pm Post subject: Falling Temps while BK Element is On |
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During my last few brew days, I have had instances where the temp in my BK will start to drop while it’s going up towards boiling. On my last batch it was about 180F and it suddenly started dropping back down towards 170F. At that point, I turned off the element and turned it back on and it started to climb and went all the way to a boil. From that point on it performed as expected.
Any thoughts what could be causing this and whether I need to start thinking about replacing the element (or something else)? The elements were purchased here, pre-assembled with a tri-clamp fitting. I have about 60 batches on the system.
The BK is due for a heavy cleaning as the element is getting somewhat corroded.
I know I probably need to provide more information, so let me know what your questions might be.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11123 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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Walts Malt
Joined: 27 Sep 2013 Posts: 119 Location: Farmington, MN
Drinking: Two Hearted Clone
Working on: Planning my Fall Brewing Schedule
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Link Posted: Mon Feb 06, 2023 4:05 pm Post subject: |
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Yes, BK temperature is dropping even though I have the BK set to heat. PID set to 212 and switched to on.
I'll walk through the troubleshooting and see if I can find where the problem may reside. Like I said, it worked as normal after switching it off and then back on again.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11123 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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Link Posted: Mon Feb 06, 2023 4:09 pm Post subject: |
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Definitely step through and see what's going on. This'll help you figure out if there's a defective part or if it's process related.
Just out of curiosity, why set to 212F? If you want to go to boil, use MANUAL model and set it to 100%.
Kal
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My basement/bar/brewery build 2.0
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Walts Malt
Joined: 27 Sep 2013 Posts: 119 Location: Farmington, MN
Drinking: Two Hearted Clone
Working on: Planning my Fall Brewing Schedule
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Link Posted: Mon Feb 06, 2023 4:11 pm Post subject: |
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Kal, that's a very good question?
Asking for a friend, but should that be their standard practice during the boil (and ramping up to it)?
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11123 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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Link Posted: Mon Feb 06, 2023 4:20 pm Post subject: |
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When mashing or doing anything where you need to hold at a specific temperature, you need to use AUTOMATIC mode where you get to choose the exact temp.
When it's time to go to boil I recommend using MANUAL mode where you set the power from 0-100%. Set it to 100% to get up to the boil, then turn it down to whatever % you need to boil at the vigorousness you prefer.
More in our BREW DAY STEP BY STEP that walks you through exactly what button to press when and why: https://shop.theelectricbrewery.com/pages/brew-day-step-by-step
This guide also explains how to set temp when ramping to boiling in order to avoid boilovers as I'm usually distracted when getting to boil because I'm cleaning the mash tun. Up to you. I do use this all the time myself by setting the temp to 208F (just below boiling) and turning on an alarm when the temp is reached. Boil kettle then gets to 208F and holds while the alarm goes off telling it's close to boil. Once the alarm sounds, I switch over to manual mode at 100% and watch carefully, stirring as needed. See the guide for the step by step.
Kal
_________________ Our new shop with over 150 new products: shop.TheElectricBrewery.com
We ship worldwide and support our products and customers for life.
Purchasing through our affiliate links helps support our site at no extra cost to you. We thank you!
My basement/bar/brewery build 2.0
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Walts Malt
Joined: 27 Sep 2013 Posts: 119 Location: Farmington, MN
Drinking: Two Hearted Clone
Working on: Planning my Fall Brewing Schedule
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Link Posted: Mon Feb 06, 2023 4:26 pm Post subject: |
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Thanks, Kal. Appreciate the response and I will revisit the brew day step-by-step as I might pick up some other tips that I somehow missed when I first purchased my assembled panel.
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