Electronics Forum | Mon Sep 27 16:52:48 EDT 2021 | aex
During production the temperatures on the last 3 zones are approx. 20F higher than the setpoint. The other zones are operating within spec. We checked power, I/O, SSR's, thermocouples, and exhaust, but the issue remains. We did not check resista
Electronics Forum | Mon Sep 27 19:45:25 EDT 2021 | jdengler
Are the zone fans all working? I have had some odd temperatures when a fan starts to go out.
Electronics Forum | Tue Sep 28 08:52:13 EDT 2021 | majdi4
I agree with jdengler .. Check the zone fans if their working good ! It may be the root cause of this problem .
Electronics Forum | Wed Feb 12 14:38:18 EST 2020 | SMTA-Alex
There are several areas you can check. Your profile is very fast. You reach the peak at around 3 minute mark. That's not enough time for the fillet to form. Try to slow down your belt speed to around 90-95, to give it more time. Also, your temperatur
Electronics Forum | Thu Jun 14 13:49:04 EDT 2012 | rodrigo
Hi all, We have two Heller ovens, a 1700SX and a 1700D. The 1700SX has the profiles made so when you load them the zones turn on in sequence. First zone top and bottom are on when the profile is loaded then the next (top and bot) start to turn on as
Electronics Forum | Tue Feb 18 20:04:38 EST 2020 | SMTA-Alex
Sebas, some things in your profile don't make sense. 3 of your thermocouples, #1 # 4 and #6 are consistent. The others show completely different data. The consistent thermocouples, also, show peak temp at 241 - 243 degrees. That is extermely high for
Electronics Forum | Fri Jul 24 09:20:57 EDT 2009 | esolano
Any ideas, guys?
Electronics Forum | Tue Feb 11 15:17:49 EST 2020 | emeto
Your profile should be close to this.
Electronics Forum | Tue Sep 28 12:23:07 EDT 2021 | aex
reflow profiles are actually 20F above set points
Electronics Forum | Tue Sep 28 12:23:50 EDT 2021 | aex
Thank you. Checking the fans and pressure this morning.
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