Pump Runs but No Water? Step-by-Step Troubleshooter
Pump running dry damages it. Switch it off and check.
Turn the pump off while you check. Running dry can damage the seals. Work through one question at a time. You can go back or start over whenever you like.
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Safety: this troubleshooter is general information. Switch off and isolate power before you work on pumps, energisers or machinery, follow the maker's manual, and call a licensed electrician or plumber where the job needs one.