Quote:
Originally Posted by ratdude747
Is the pressure switch hooked up correctly? If so, I'd multimeter it to see if that's the culprit (at the Digital sidecar end first, to verify the wiring). If all of that checks out, I'd look at the code. What language are you using?
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To elaborate, the pressure switch should be closed (conduct electricity through its two pins) when the pressure is below 115 PSI and open (not conduct) when the pressure is above that. Make sure this is the behavior at the switch with a multimeter. Just disconnect from the sidecar before testing this.
Quote:
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Originally Posted by The Pneumatics Manual
We have included a pressure switch manufactured by Nason. This switch is normally closed. The switches will open at approximately 115 psi and will not close again until the pressure drops to approximately 95 psi.
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This could also easily be a code issue, so we need to see that too. I doubt the switch would actually break
that way since it could cause a major failure (not with the pressure relief valve, but if we didnt have that...)