Troubleshooting
WARNING: Before servicing a pump, always shut off the main power breaker and then unplug the pump. Under flooded conditions, make sure
you are not standing in water and that you are wearing insulated protective sole shoes. Contact your local electric company or a qualified
licensed electrician for disconnecting electrical service prior to pump removal.
Problem
The pump does not turn on.
The pump will not shut off.
The pump runs but does not discharge
liquid.
The pump does not deliver the rated
capacity.
The pump continually cycles.
Probable Cause
The pump is not plugged in.
The circuit breaker is off or a fuse is
missing.
There is debris on the float.
The float has an obstruction.
The switch is defective.
The motor is defective.
There is a float or float rod obstruction.
The pump is air locked.
The liquid inflow matches the pump
capacity.
The switch is defective.
The check valve is installed backwards.
The check valve is stuck or plugged.
The lift is too high for the pump.
The inlet to the impeller is plugged.
The pump is air locked.
The lift is too high for the pump.
The voltage is low and the speed is slow.
The impeller or discharge pipe is clogged.
The impeller is worn as a result of abrasives.
There is no check valve in the long
discharge pipe allowing liquid to drain back
into the sump.
The check valve is leaking.
The basin is too small for inflow.
9
Solution
Plug in the pump.
Turn on the circuit breaker or replace the
fuse.
Clean the float.
Check the float path and provide clearance.
Have the pump serviced by an authorized
service center.
Have the pump serviced by an authorized
service center.
Check the float and float rod path and
provide clearance.
Shut the power off for approximately 1
minute and restart. Repeat several times to
clear air from the pump.
A larger pump is required.
Have the pump serviced by an authorized
service center.
Check the flow indicating arrow on the
check valve body to ensure it is properly
installed.
Remove the check valve and inspect for
proper operation.
Check the rating table.
Pull the pump and clean.
Shut the power off for approximately 1
minute and restart. Repeat several times to
clear air from the pump.
Check the rated pump performance.
Check for properly supply voltage to ensure
it corresponds to the voltage on the
nameplate.
Pull the pump and clean. Check the pipe for
scale or corrosion.
Replace the worn impeller.
Install a check valve in the discharge line.
Inspect the check valve for correct
operation.
Install a larger basin.
Please contact 1-844-883-1872 for further assistance.
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