HomeRoast Digest


Topic: problems with Caffee Roasto CR-120 (9 msgs / 156 lines)
1) From: John Abbott
Joe,
If you got the Captain Cook special I'll be able to tell you tomorrow. Mi=
ne
just arrived.
--

2) From: joe frabosilio
  I hate to say it like this, but after I ordered beans from CCM, my
roaster isn't working right.  The beans aren't moving fast enough, they
are burning at the bottom of the roaster.
    Question is : Is it the roaster or beans?
Thanks,
Joe Frabosilio
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3) From: EskWIRED
<Snip>
It could be either.  I assume you measure the beans by volume.  Maybe these
beans are fresher and denser?
Try firing up the roaster and slowly adding beans until they JUST stop
moving.  If the volume is way lower, likely something is wrong with your fan
or the airvents.  If the amount is just slightly less, likely you have some
dense beans.
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4) From: Mike McGinness
From: "joe frabosilio" 
<Snip>
Tough question. Not enough specific information. What is your usual batch
size? By volume or weighed? Do beans from other sources, same batch size,
roast as you'd expect? Volume less accurate since bean density and moisture
content vary affecting the weight for a given volume. As suggested by ?
(oops, already deleted the message) try adding greens 'till movement almost
stops. I'd suggest doing this with the fan on only, then weigh the greens.
Also, if your voltage varies significantly (like even 5v) your fan speed
will vary greatly also affecting bean moving ability.
BTW, I've roasted a half dozen CCM Capt.. Cook Kona batches no problems. I
also roast with the Rosto but don't worry about bean movement. I've been
roasting 1/3# weighed batches for about a year and half. Usually almost zero
bean movement, which is why I 'assist' by rocking the Rosto. Especially
variac profile roasting with bean equalization voltages as low as 86v and
1st Crack development stage usually 105-112v! (I haven't bypassed the fan
for separate voltage so it slows down with reduced voltage as well as
reduced heater...) Smaller batches, around 3-4oz weighed, at standard 120v,
should have decent bean movement.
MM;-)
Home Ju-Ju Variable Variac Rockin' Rosto Roasting in Vancouver, WA USA
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5) From: joe frabosilio
Thanks everyone for the responses.  I had to go back to the basics. The Caffee
Roasto came with a measuring cup, in the past I would just take one scoop of beans
and roast, no problems.  Come to find out with the new beans and measuring cup the
beans are very close to 7oz.  After re-weighing the beans to 4.25oz had no
problems.  Full City roast come out fine.
Thanks,
Joe Frabosilio
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6) From: Don Staricka
At 06:51 PM 9/10/02 -0500, you wrote:
<Snip>
Be sure to check the house voltage. Over the Labor Day weekend I had 
trouble roasting with my HWP. There was inadequate bean movement. Some 
beans got burned and some were barely roasted at all. I measured the 
voltage at the outlet and it was 95. A few days later it was back to 120 
and the roaster worked just fine.
Don
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7) From: Greg Hawley
I'm having problems with my Caffe Rosto also.  It worked great for 2 months,
but now I can't even get a Full City roast out of it. What is the
best/cheapest way to measure voltage?
Greg.
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8) From: dewardh
<Snip>
You can get a cheap (under $10) voltmeter from Radio Shack or most any hardware 
store.  "Digital" readout might cost a couple dollars more, and will be a lot 
easier to read.  But pretty much any cheap voltmeter will work fine . . . 
nothing fancy is needed, and you'd be hard pressed to find one that *isn't* 
accurate enough.
Deward
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9) From: Bob Trancho
Greg,
Even with somewhat low voltage, you should be able to get to Full City
eventually.
Tell us a bit more about your roasts i.e. - Size/weight, bean type, etc.
- Check that the secondary chaff screen is always clean - clean between
every roast - a dustbuster or the small nozzle of the shop vac works
well.  Very chaffy beans will clog both screens and slow the roast
dramatically, even if cleaned prior to roasting.
- Check that your lid gasket is on correctly - mine gets loose as the
unit heats up.  If it is out of whack, you'll be leaking heat.
Bob Trancho
<Snip>
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