Asking the experienced professionals about DCS issues?
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Has any of those experienced technicians come across incidents such as a computer screen going black due to a UPS power failure? How should I handle this?
It generally doesn’t happen. Are you saying that all computers go black? If it’s you, stop the machine immediately on site to prevent safety accidents. Restore the UPS in the shortest possible time.
This has happened here; in the event of a complete power outage, if the UPS also loses power, it is necessary to go and check whether the safety valves have activated. If they haven’t, manually close or open them immediately. Others follow the shutdown steps. And restore power supply as soon as possible!
The main fan operates in maintenance mode, following the logic for automatic operation in case of power loss; it is necessary to control the valve position on-site, and attention must be paid to pressure buildup in the pump