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Thread: Behmor 1600 Plus - Coffee Roaster

  1. #451
    CoffeeSnobs Owner Andy's Avatar
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    Yep, it's not actually a requirement but in very hot climates it helps get a little more air across the circuit board and then out the exhaust via the other fan in the triangle housing.
    If you sucked air out you would fight the other fan.

    The first few builds of the Behmor didn't have the side fan but did have the provision on the circuit board. You do need the triangle fan but the side fan is just added flow.

  2. #452
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    Quote Originally Posted by Andy View Post
    Yep, it's not actually a requirement but in very hot climates it helps get a little more air across the circuit board and then out the exhaust via the other fan in the triangle housing.
    If you sucked air out you would fight the other fan.

    The first few builds of the Behmor didn't have the side fan but did have the provision on the circuit board. You do need the triangle fan but the side fan is just added flow.
    Sounds logical and definite plus in Darwin!

  3. #453
    Senior Member Barry O'Speedwagon's Avatar
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    Presumably the fan is designed to bring cooler air into the machine from the surrounding atmosphere, and direct it toward the main board etc. Wouldn't be a lot of point otherwise?

  4. #454
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    Yeah I was thinking maybe it was extraction fan.

  5. #455
    Senior Member Barry O'Speedwagon's Avatar
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    Quote Originally Posted by Makka65 View Post
    Yeah I was thinking maybe it was extraction fan.
    There's a fan at the top of the roaster directly behind the display panel that blows air out of the roaster. There's also a big cool air fan at the back of the roaster.

  6. #456
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    Damn just attempted my first roast and I'm getting error 5 after a few minutes. After burner is glowing and both the side fan and triangle fan are running from start to when it shuts down.... Any suggestions please?

  7. #457
    Senior Member Barry O'Speedwagon's Avatar
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    Quote Originally Posted by Makka65 View Post
    Damn just attempted my first roast and I'm getting error 5 after a few minutes. After burner is glowing and both the side fan and triangle fan are running from start to when it shuts down.... Any suggestions please?
    Loose connection on the DC fan?

  8. #458
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    Quote Originally Posted by Barry O'Speedwagon View Post
    Loose connection on the DC fan?
    Is that the one I just installed?

  9. #459
    Senior Member Barry O'Speedwagon's Avatar
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    Quote Originally Posted by Makka65 View Post
    Is that the one I just installed?
    Yes:

    Error Code 5

  10. #460
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    Or you put the thermocouple plugs in the wrong spots....
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  11. #461
    Senior Member Barry O'Speedwagon's Avatar
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    Quote Originally Posted by Makka65 View Post
    Or you put the thermocouple plugs in the wrong spots....

    Yes, that would do it

  12. #462
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    Any Behmor Plus users regularly roasting 500 gram batches ? What is the maximum charge weight the Behmor will roast well ?
    Thankyou CS's.
    aldo.

  13. #463
    Senior Member WhatEverBeansNecessary's Avatar
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    Have done up to 500g for something I want to roast very light. But I find at 500g the roast starts to bake more than roast, so the end result isn't as nice.

  14. #464
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    Thanks Whatever. Was wondering what times do you or others have for larger batches. I don't think i'm baking? ...Opinions?...
    I've done 20 or so batches at 450 grams and usually get around 385-390 grams. First crack at around 13:30 min - 15 min and remove when f.c. it ends. Roast times total 15 to 17 minutes depending on bean and f.c. I am yet to roast when its cooler. Ambient temps have been mid 20's C. I roast in manual and found a base profile that seems to work. I like the roast to appear dry with some texture still on the bean am guessing CS7 or CS8 and perhaps some spots of oil after week on some beans. I cut beans in half to check development or inner scorching. The roasts taste very nice. I might add i started roasting in December,a few months now, and nearly all I've learnt is from CoffeeSnobs.com.au so THANKYOU ALL. aldo.

  15. #465
    Junior Member bgd57's Avatar
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    Quote Originally Posted by cafelazio View Post
    I've done 20 or so batches at 450 grams and usually get around 385-390 grams. First crack at around 13:30 min - 15 min and remove when f.c. it ends. Roast times total 15 to 17 minutes depending on bean and f.c. THANK YOU ALL. aldo.
    cafelazo
    I have done a dozen or so roasts of 450g. Same net weight as you, around 380g - 385g of roasted beans. Times are very similar as well, 13:30min to 15:30min till FC. Usually cool after Rolling FC just before SC. Total roast time of around 18 - 19 min. If I go to SC roast time is around 19min - 21min. The finished beans taste fantastic, which is all that counts in the end. Just keep experimenting with settings and settle on what works.
    Brad
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  16. #466
    Senior Member Barry O'Speedwagon's Avatar
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    Quote Originally Posted by cafelazio View Post
    Thanks Whatever. Was wondering what times do you or others have for larger batches. I don't think i'm baking? ...Opinions?...
    I've done 20 or so batches at 450 grams and usually get around 385-390 grams. First crack at around 13:30 min - 15 min and remove when f.c. it ends. Roast times total 15 to 17 minutes depending on bean and f.c. I am yet to roast when its cooler. Ambient temps have been mid 20's C. I roast in manual and found a base profile that seems to work. I like the roast to appear dry with some texture still on the bean am guessing CS7 or CS8 and perhaps some spots of oil after week on some beans. I cut beans in half to check development or inner scorching. The roasts taste very nice. I might add i started roasting in December,a few months now, and nearly all I've learnt is from CoffeeSnobs.com.au so THANKYOU ALL. aldo.
    Keep experimenting....you'll need to wind the payload back as the weather gets cooler, but it's fairly mild where you are so the difference may not be that big. Quite a seasonal difference roasting outdoors in Canberra.
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  17. #467
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    400G Has worked very well for me, easy peasy, push 400 then start. The roaster defaults to P1, then push start again at 13 min 40, first crack usually happens at 13 to 14 min 30 seconds, at first crack press C and P2, and cool 2 to 3 minutes later. This formula has worked very well for easy to roast beans like Colombian V G Especial, Panama Rati Hartman Black Honey, PNG Mt Ambra A, Peru Even the Ethiopia Sidamo Ardi, and Ethiopia Biftu Gesha Sundried . Was assisting the cooling for a while, and in december a storm came suddenly and i had to move inside, and let the roaster time out after pressing C and P2, and the result was lovely coffee,
    Agree to adjust to what works best for you.

  18. #468
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    I roast regularly with 500g. Usually its P2 400G C which puts it up to 21:30. Usually get first crack with anywhere from 1-4mins remaining depending on type of bean. Press C @ 1st Crack and then drop the power between 25-50%. I try and watch carefully to pull just before 2nd crack and around the 209 degree mark. If it gets much higher i will go into a rolling 2nd crack which is still nice, just not as nice a just before where i may end up with a few snaps into 2nd crack.

    I may give 450g a go....havent tried smaller batch in a while. Maybe that will taste a little different.
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  19. #469
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    So I have had my 1600+ for 2 years. I usually do the Barry O'Speedwagon 400g profile. Has worked well.

    p5 -> 12 min
    p4 -> first crack
    p3 -> second crack

    However, I started getting error 2 on every roast. This has varied from 4minutes into roast through to first crack

    Read online it is due to too much heat, but it has never been an issue in the past. Some say that a good clean fixes it, followed by a burn off roast. So I did that, however in the burn off roast I got error 2 again. I am not sure when it happened as I walked away and came back to the error. With the burn off roast I pressed p5 manual after start to give it a good 'blast'.

    This morning I had another idea to not press the p5 manual, and just pressed 200 then start. Strangely enough it finished the burn off roast.

    So now I am a little confused. Do you think it is the manual mode p5 that is triggering too much heat and causing error 2? I don't really want to use the default profiles. I think I will need to experiment further without beans in and see if I can replicate the error.

    Does anyone have any other ideas, or have experienced consistent error 2? I have cleaned the sensor area pretty well. At what B temp does the machine error 2?

  20. #470
    CoffeeSnobs Owner Andy's Avatar
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    Do you think it is the manual mode p5 that is triggering too much heat and causing error 2?
    YES!

    Err2 is too much heat on the right side wall. The number isn't important, it's a reading of the thermocouple on the circuit board side of the wall, you are simply applying too much heat and the roaster is protecting itself from you!

    Lower your initial heat and it should be fine.

  21. #471
    Senior Member artman's Avatar
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    Behmor Coffee Roaster
    As Andy said itís getting too hot in the wall sensor reading. If you press B (pretty sure A is exhaust temp and B is wall temp - could be other way around) you will se the temp. Once it gets to 165 or 166 it will trigger the err2.

    I did a post on it a year or so ago, Behmor max temp or something like that if you search for it, has all my findings there.

    Iíll have to check my logs to see what the biggest batch I have roasted but from memory itís over 500g.

    Cheers

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