"Robert, I'm pretty sure you can check the switch at the control box you mentioned. If I recall correctly there's a wire connector that can be disconnected allowing you to check the switch with a multimeter. I believe the switch in the sump…"
The wires run directly from the switch up to the small box under the sink with the manual switch. You can disconnect the wires there and check the status of the switch with a meter. Should be pretty straightforward."
We were quietly enjoying a balmy summer evening when the aft shower sump pump began its annoying slurp, slurp, without any water to move.It appears something has failed, be it the float switch or the small integrated circuit which is part of the wiring under the sink.Any ideas as to the cure for it appears the entire sump must be removed to review the state of the switch, or is there a wiring clue to checking out the control unit with a multi meter.Happy New Year to all, warm, hot and smoky in…See More