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Im having this error 4 issue on the picture below anyone know the cause and possible solution? thank you in advance.

Hi, I'm having problems between 2-pps and 2-mcm power supply keeps coming into comm fault everytime you hit the panel door came to the conclusion the the ribbon might be the issue. My question is would anybody know where I can get a replacement since Edward's dont make these parts anymore it's part ...

correct stayed the same and the voltage dropped. Yeah I ordered a new panel already. I was just wondering if anyone came across this type of issue before. Thanks for the response leo

Im working on a siemens panel to be more specific a pad 3 distributed power module. I have a trouble on nac 2 (ds2 led lit) I have no open, short or ground on nac 2. It is giving me an output of 13vdc instead of 24vdc. I even swapped nac 1 and nac 2 and my trouble and output voltage stays the same a...

I had some review material I needed help with, I didnt want to flood the forum with questions.

Anyone here nicet 3?

Thank you

Hello, I have a troubleshooting question regarding the est-2 2-dacts. I was sent on a service call there was zone 94 and zone 92 reporting to central station. zone 94= smoke and zone 92= low air pressure switch. I checked the panel was normal, I found a ground on a pullstation which had nothing to d...

They have sprinklers in the elevator machine room do not ask me why. They would like heat detectors to report to the facp and of course send the fire department if anything was to ever happen in there. Thats is why I was asking how far would a heat detector would have to be from a sprinkler head. I ...

Alittle off topic but would far would a heat detector have to be located from a sprinkler head