Product Manual

Pump won’t run: Check all the wiring connections.
Check for a low or defective battery.
Check that the automatic switch is free to move up and down.
Press the circuit breaker reset button on the control panel.
Motor hums but pump won’t run: Check for low or defective battery.
Pump runs but pumps very little or no water: Make sure a check valve is installed and functioning between the
primary pump discharge and the Battery Backup wye.
Check for an obstruction in the discharge pipe.
The discharge pipe length and/or height exceeds the capacity of the
pump. See Table VI, Page 11, for pump capacity.
Check for a low or defective battery.
The Positive (+) and negative (–) pump wires are reversed.
Disconnect them and reconnect correctly.
Pump cycles too frequently: The check valve located between the discharge of the primary
pump and the Battery Backup wye is not installed or is not
working properly. Install an auxiliary check valve (see Pages 5
and 6) or replace the existing check valve as required.
BATTERY BACKUP SYSTEM TROUBLESHOOTING
Troubleshooting 11
Symptom Possible Cause(s) Corrective Action
Pump won’t start or run.
Pump is not plugged in. Check and see if pump is plugged into a proper outlet.
Blown fuse. If blown, replace with fuse of proper size.
Low line voltage
If voltage under recommended minimum, check size of wiring from main
switch on property. If OK, contact power company or hydro authority.
Defective motor. Replace pump.
Defective float switch. Replace float switch.
Impeller
If impeller won’t turn, remove lower pump body and locate source of
binding.
Float obstructed Remove obstruction.
Pump starts and stops too
often.
Backflow of water from
piping
Install or replace check-valve.
Faulty float switch Replace float switch.
Pump won’t shut off
Defective float switch Replace float switch.
Restricted discharge
(obstacle or ice in piping)
Remove pump and clean pump and piping.
Float obstructed Remove obstruction.
Restricted intake screen Remove the pump and clean the intake screen and the impeller.
Pump operates but
delivers little or no water
Low line voltage
If voltage under recommended minimum, check size of wiring from main
switch on property. If OK, contact power company or hydro authority.
Something caught in
impeller
Remove the pump and clean out the impeller.
Worn or defective parts or
plugged impeller
Clean impeller if plugged; otherwise replace pump.
Check valve installed
without vent hole.
Drill a 1/16” - 1/8” (1.6mm-3.2mm) dia. hole between pump discharge &
check valve (1-2” above where the discharge pipe screws into the pump
discharge and below the waterline).
Restricted intake screen Remove the pump and clean out the intake screen.
Check valve is installed
either backward or upside
down
Be sure check valve is installed correctly.
PRIMARY PUMP TROUBLESHOOTING