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I need help fixing a pressure control circuit ?

3 Name: Anonymous 2021-03-20 09:13
>>1
Seen this many times before. After about 2016, one of the manufacturers, Seibring, switched from using a standard RS435A to the cheaper R430, the knock-off. Then in '18, they reduced their capacitance load over their slave circuit which started to overheat things too much. Sometimes, this can trip the power supplies overamp detection IF it's the "Q" series, but the combo of R430 and the "P" series detector will set you up for issues.

So, in short, have you tried turning it off and then on again?
4 Name: Anonymous 2021-03-20 09:47
>>1
post pic of burnt area, thats probably it, can advise more with good quality pic. if too homosexual to take a pic, re-solder the relay pins and look close at the traces to see if they are broken, if broken clean down to bare copper and bridge the gap with solder / jumper
5 Name: Anonymous 2021-03-20 10:20
>>1
if the relay is getting hot, it most likely means the contacts are carbonized, so you need to replace it.

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