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Can anyone tell me how to interpret the numbers being displayed DIRTY: in a sensitivity report for analog devices? Is it a percentage of being dirty or do you have to convert the number somehow to get the percentage of dirty for the device? Please see the print out attachment below

Welcome!

It sounds like you can be another valuable resource.

Try re-sampling the wav file @ 9600 in Goldwave. I have used this procedure for several messages used on our systems.

Yes, I a have had similar problem. We discovered that a printer cable on the port 2 of the 3rd panel in the network had an intermmittent ground. And it only showed up when we did a master reset. Check if RS232 ports. Also could be an intermittent ground on RS485 channel.

I have never restarted the card before I will give that a try. Thnx JimM

Sorry for the delay in replying. The answer is that I did not remove the SLC loop wiring when cleaning. The device status display at the FACP showed the detector had returned from 80% dirty to 0% dirty. The map uploaded in the SDU showed the device red and indicated in its properties that the person...

Thanks JimM.

After thoroughly cleaning the detector, the next day a map fault occurred. Diagnostics shows that the device personality had changed. Is this normal that you would need to reinitialize the loop and rectify after cleaning?

Does anyone know the procedures used to clean a SIGA-SD duct detector? Does anyone know where to find the documentation. I have not been able to find it on UTC-EST website?

Is it possible to use an Edwards EST SDU and key on a Honeywell XLS1000 version of the EST3 and vise versa? I have a client very upset with Honeywell and wants to have our company perform any maintenance and upgrades, since we are already maintaining the access control and CCTV systems.