Call pilot - Power supply tolerance 3

[Mountainbear]

Customer had a power outage. They have a generator backup but it takes 10 seconds to kick in.
I believe the generator caused a surge so now the Call pilot power supply is producing 13.8 VDC
Is this high enough to cause issues ( I think it is supposed to be 9V)? Call Pilot has stopped working.

 

[curlycord]

Back in the day it was 9, then replaced quickly with 8....so it might be the issue.

There should be a UPS installed regardless of there being a back up generator.

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Toronto, Canada

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[Wanebo]

Yeah, that would be high enough to cause some issues. I too agree that you should have a UPS there to tide the Call Pilot over while the generator is starting and stabilizing.

 

[Nortel4Ever]

Yes CP power supplies are notoriously bad. I have seen a few of the original ones that used the 3 prong PC power cord get so hot the plastic case on the power supply deformed.

 

[Mountainbear]

New power supply fixed it (with UPS added).