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Page 7
SKU 95267
Problem 1: Pump runs but will not deliver any water.
Cause: Base (38) clogged.
Solution: Remove the Screws (1) from the Base (38) and remove Base (38). Clean out dirt
or debris and replace.
Cause: When starting, the pump water height falls below the minimum water level.
Solution: Submerge pump deeper.
Cause: Low line voltage.
Solution: Consult with an electrician.
Cause: Optional check valve stuck or installed backwards.
Solution: Remove and examine check valve.
Problem 2: Pump won’t start or run.
Cause: No power or line voltage problem.
Solution: Check power connections and fuses. Consult with an electrician.
Cause: Water level too low.
Solution: Add more water to sump or put pump in a lower location.
Cause: Thermal overload switch has activated.
Solution: See Note at the top of page 6.
Cause: Base (38) clogged.
Solution: Remove the Screws (41) from the Base (38) and remove Base (38).
Clean out dirt or debris and replace.
Cause: Tangled Float Switch (1).
Solution: Arrange so Float Switch (1) moves freely.
Cause: Defective motor or Float Switch (1).
Solution: Have a qualified service technician repair or replace.
Problem 3: Excessive noise or vibration.
Cause: Worn bearings.
Solution: Have a qualified service technician repair or replace.
Cause: Debris in Impeller (29).
Solution: Remove the Screws (41) from the Base (38) and remove Base (38). Clean out
dirt or debris and replace.
Cause: Discharge restricted.
Solution: Clean pump and piping.
Problem 4: Pump starts and stops too frequently.
Cause: Water temperature too high.
Solution: Never exceed temperatures above 95 degrees F.
Cause: Defective or entangled Float Switch (1).
Solution: Arrange the Float Switch (1) so that it moves freely.
Cause: Back flow of water from piping.
Solution: Install or inspect check valve (optional).
Note: Many problems occur due to a clogged Base (38). Remove the Screws (41) from the
Base (38) and remove the Base (38). Clean out dirt or debris from the bottom of the Pump
and replace Base (38) using the same screws (see page 8).
Troubleshooting