Sump pump won't turn on (float or power)
Prove power, then prove the pump by bypassing the float, then fix the float. Most residential pumps with a piggyback plug make this a two-minute test.
Before you start
- Never stand in water while handling plugs
- Do not run the pump plugged straight in for more than a few minutes (overheat risk)
Diagnostic steps
Unlock all 4 steps with expected values
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Get lifetime accessOnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.
