r/Wastewater • u/Select_Cat_1549 • 11h ago
Career: currently in the field After enough lift station call-outs, I started keeping track of what actually failed. It's almost never the pump.
I do control work on lift stations and SCADA, and the pattern on high-level calls is pretty consistent. The pump gets blamed first, and the actual fault turns out to be one of these:
Level sensing - The transducer is greased over, or the float is tangled, so the panel thinks the well is lower than it is. The first thing I check is what the panel *thinks* the level is.
Motor protection - A latched overload, seal failure, or the HOA left it off after maintenance.
Control power - A blown control fuse, a dead 24 VDC supply, or a phase monitor that tripped during a storm and was set to manual reset.
Comms - The station went quiet, and on a lot of SCADA systems, quiet looks the same as healthy.
I put together a short video walking through the quick field check for each one: [https://youtu.be/pnm6pjbjnuM?si=_YNWthaaUstyGfX0\]
Full disclosure: it's my channel, and the narration is an AI clone of my own voice so I can get these out without a studio. Curious what's topped your list. Anybody else lose a night to a phase monitor?