HomeRoast Digest


Topic: Behmor 1600 Important Maintenance Update! (14 msgs / 410 lines)
1) From: Yakster
There is a significant Behmor manual update regarding maintenance (cleaning
an internal cooling fan every four months) athttp://www.behmor.com/manual.htmlor specifically
here
.
The cooling fan can get clogged with dust and chaff causing improper cooling
of the electronics that could lead to longer roasting times.
This looks pretty easy to perform and it looks like I'm almost due for a
cleaning after almost four months and almost 40 roasts.
-Chris
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2) From: Tom & Maria - Sweet Maria's Coffee
Thanks for the note - I will make sure we have notified all our behmor buyers
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-- 
-Tom
"Great coffee comes from little roasters" - Sweet Maria's Home Coffee Roasting
               Thompson & Maria -http://www.sweetmarias.com     Sweet Maria's Coffee - 1115 21st Street, Oakland, CA 94607 - USA
             phone/fax: 888 876 5917 - info_at_sweetmarias.com
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3) From: michael brown
hmmm, that would have been good to know a while ago before i burned out a s=
ensor.  BUT the behmor company has been great to deal with, always responde=
d promptly and worked hard to resolve the issue.  All in all, i'm still a h=
appy customer.
Michael
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4) From: Ray Tolar
Also at the same time clean the exhaust (AKA known as the Silver thing in
the back) mine after 200 roasts had a LOT of build up and a lot of the holes
were 1/2 to 3/4s plugged up. After cleaning its like i have a new roaster
again. Maybe Joe should add this area also? There was way more junk back
there than inside.           Ray T
On Thu, May 28, 2009 at 9:31 AM, Tom & Maria - Sweet Maria's Coffee <
sweetmarias> wrote:
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5) From: decrisce.md
Thanks to all for this update info. 
Sent via BlackBerry from T-Mobile

6) From: Alchemist John
Having to spoken to Joe about this, it was not =
known before.  It's one of those items discovered over time of field testin=
g.
At 09:54 AM 5/28/2009, you wrote:
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John Nanci
AlChemist at large
Zen Roasting , Hand Grinding, Blending & Espresso pulling by Gestalthttp://www.chocolatealchemy.com/Homeroast mailing list
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7) From: raymanowen
"...good to know a while ago before i burned out a sensor."
It's a stretch to imagine that any machine function or malfunction would
"burn out" a sensor. We're talking Heat Sensor, right? Normal operation is
around 430° F - 450° F. In the worst case failure, air flow would stop =
and
the heaters would be 100% powered, a multiple failure.
Maybe, in this worst case, the temperature could possibly hit 500° - 600=
° F.
It isn't powerful enough to wander too far from home. Aside from the fact
that the sensor has been shouting "Turn Off! Turn Off!" to the electronics
for the past 15 minutes, that temperature wouldn't affect the sensor.
Something else had to happen to cause the sensor to fail.
When heat is the medium, heat won't harm the sensor. Or am I missing the
boat, and we're not talking heat sensor? A device for telling what's going
on is hurt by what's going on. It's a Brave New World.
Cheers, Mabuhay -RayO, aka Opa!
-- =
Persist in old ways; expect different results = Insanity...
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8) From: michael kaericher
And yet, I've burned out thermocouples before.  I've had oxygen sesors fa=
il on my car.
Even overloaded my smeller leaving me unable to smell almost anything for a=
 couple of weeks.
From: "raymanowen" 
To: "A list to discuss home coffee roasting. There are rules for this list,=
 available athttp://www.sweemarias.com/maillistinfo.html"
Sent: Thursday, May 28, 2009 11:58:38 PM
Subject: Re: [Homeroast] Behmor 1600 Important Maintenance Update!
"...good to know a while ago before i burned out a sensor."
It's a stretch to imagine that any machine function or malfunction would
"burn out" a sensor. We're talking Heat Sensor, right? Normal operation is
around 430° F - 450° F. In the worst case failure, air flow would stop =
and
the heaters would be 100% powered, a multiple failure.
Maybe, in this worst case, the temperature could possibly hit 500° - 600=
° F.
It isn't powerful enough to wander too far from home. Aside from the fact
that the sensor has been shouting "Turn Off! Turn Off!" to the electronics
for the past 15 minutes, that temperature wouldn't affect the sensor.
Something else had to happen to cause the sensor to fail.
When heat is the medium, heat won't harm the sensor. Or am I missing the
boat, and we're not talking heat sensor? A device for telling what's going
on is hurt by what's going on. It's a Brave New World.
Cheers, Mabuhay -RayO, aka Opa!
-- =
Persist in old ways; expect different results = Insanity...
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      =
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9) From: John and Emma
Thanks John.
John H.

10) From: an iconoclast
On Wed, May 27, 2009 at 6:45 PM, Yakster  wrote:
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Got out my electric screwdriver, opened it up and low and behold, lots of
dust!  I build my own 'puters and regularly clean the fans, mobo, cards and
fans of dust, so will just add this to my list.
Take care,
Ann
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11) From: Dave Huddle
After ~180+ roasts in the last 17 months, I opened my Behmor for this
maintenance.
There was very little dust in there.    After every roast I use my
shop vac on all the openings, ends, back, bottom.    I reckon that
practice has helped.
Dave
Westerville, OH
On Sun, May 31, 2009 at 1:21 AM, an iconoclast  wr=
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12) From: Jim Gundlach
I will start this with mine, only has three roasts on it so far, keep  
count and regularly open and check it out.   I'll keep the list up to  
date to see if I replicate Dave's findings.
      pecan jim
On Jun 1, 2009, at 11:55 AM, Dave Huddle wrote:
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13) From: Yakster
The maintenance alert on the Behmor site has been updated based on customer
feedback and the update has been posted to the Behmor
website
.
The update adds to the procedure recommending the removal of the exhaust
channel cover in the back of the Behmor and cleaning out the exhaust channel
as well as the removal of the side panel to clean the fan.
This is something that I already do on a periodic basis (as well as clean
the exhaust channel cover and exhaust channel with simple green) and will
probably help to keep the fan from getting too clogged.  I did find dust and
lint on the fan blades, but it was not excessive.
BTW: I am not associated with Behmor, just a satisfied customer passing
along this information.
-Chris
On Mon, Jun 1, 2009 at 11:57 AM, Jim Gundlach wrote:
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14) From: Dave Huddle
Chris,
Thanks for the pointer on the exhaust channel cleaning.
I opened mine for the first time tonight and found less than a 1/8 of
a teaspoon stuff in the far right corner of the area (viewed from the
back.)
I saw no accumulation on the fans.     I reckon my habit of using the
shop vac on all the openings after every roast has worth the slight
amount of extra time.
Dave
Westerville, OH
On Mon, Jun 1, 2009 at 3:25 PM, Yakster  wrote:
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