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.
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 06:16:34 EDT 2021 | bukas
sometimes SSR can stay in ON state. load cooldown and check if SSRs ever go OFF.
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 | Tue Sep 28 11:58:09 EDT 2021 | stephendo
Do you mean reflow profiles are showing 20F above set points or is the oven display is showing 20F above set points?
Electronics Forum | Tue Sep 28 19:22:48 EDT 2021 | kumarb
Hi. Aside from the good advice above, wish to throw in our experience with our 1809EXL. Had < 200 on-hours and the oven would not melt the assorted fresh paste we sourced from different suppliers. The s/w reported that the set temps were being
Electronics Forum | Fri Mar 19 14:31:43 EST 2004 | pdeuel
DI water de-ionized water is an easier way to ensure washing free of contaminates. De-ionized water has a characteristic resistance of 18 meg ohms per cm squared. Resistance monitors can be installed in cascading wash systems that would monitor conta
Electronics Forum | Sun Mar 20 04:49:10 EST 2005 | Grant
Hi, Can you guys cascade the line, with a board flipper, printer, placer and oven all in the same line, so you can do both sides in the same pass? The product then leaves the line finished. Regards, Grant
