Findings: The relay always stay energize getting power from Digital Output I/O card. So sandfilter can’t maintain the backwash sequence. That’s why , we change the DDO module in FCP-1 panel. Now the SF is working normally.

Findings: The relay always stay energize getting power from Digital Output I/O card. So sandfilter can’t maintain the backwash sequence. That’s why , we change the DDO module in FCP-1 panel. Now the SF is working normally.

This specific model is suspended , the manufacturer should not continue these item https://heroninstruments.com/products/groundwater-data-loggers/absolute-data-logger-models/absolute-data-logger-suspended-model/
Lose connection problem found.
Findings: Function Generator doesn’t work properly. Action Taken: 1. Physically check the connection 2. Check the pulse signal from SCADAPACK & pulse generator….