Troubleshooting Guide

TROUBLESHOOTING - SUP80 SUBMERSIBLE UTILITY PUMP
Problem Probable CauseCorrective Action
The pump will not start. There is a tripped circuit or a blown fuse. If the fuse is blown, replace with the appropriate size or
reset the circuit breaker.
The line voltage is low. If the voltage is less than the minimum required, inspect
the wiring size at the main switch on the property.
If the size is OK, contact the local electric company or
hydroelectric authority.
The motor is defective. Replace the pump.
The pump starts but The line voltage is low. If the voltage is less than the minimum required, inspect
pumps little or no water. the wiring size at the main switch on the property. If the
size is OK, contact the local electric company or
hydroelectric authority.
The impeller is clogged. Flush with a garden hose. If the debris cannot be cleaned,
follow instructions above for care and cleaning.
The impeller is worn or there are Replace the pump.
defective parts.
There is air lock in the pump. Tilt pump 90 degrees horizontally to allow air to escape.
The pump has Thermal overload has tripped, impeller is Protect the pump from the heat of the sun. Pump cooler
automatically shut off clogged, low voltage, long extension cord, water. Pump is dry; add water. Unclog impeller, increase
or cycles intermittently. very low head or lift. voltage, shorten extension cord, or increase head and lift.