Forum Discussion
westend
Jul 19, 2014Explorer
Were there any signs of corrosion or oxidation either on the wires or the lugs? Probably too burnt to tell but it might be another cause.
FWIW, I think it was a couple of years ago where one Forum member had his PI 30 amp unit fail. Inspection of the lugs showed it to be a loose neutral. I can't remember if this was a hardwired EMS or not. High temp conditions and burning of wire jackets was pictured.
Solder does have some resistance and, even if using silver solder, there may be a condition that melts the solder causing a loose connection. It may be that the solenoid winding shorted and caused a short, sending everything thermal. Probably a lot of other causes, as well.
FWIW, I think it was a couple of years ago where one Forum member had his PI 30 amp unit fail. Inspection of the lugs showed it to be a loose neutral. I can't remember if this was a hardwired EMS or not. High temp conditions and burning of wire jackets was pictured.
Solder does have some resistance and, even if using silver solder, there may be a condition that melts the solder causing a loose connection. It may be that the solenoid winding shorted and caused a short, sending everything thermal. Probably a lot of other causes, as well.
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