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TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Backup pump
won’t run
Connections are incorrect or loose
Verify connections are correctly installed
Wire terminal points are dirty
Check all terminals and clean if required
Battery is low
Service or replace battery
30 Amp controller fuse is blown
Replace with 30 amp automotive blade
fuse
Pump runs but
delivers little or
no water
Connections are incorrect or loose
Verify connections are correctly installed
Weep hole is plugged and unit is air-locked
Clean weep hole
Discharge pipe is blocked
Clear discharge pipe
Check valve may not be working correctly. It
should allow water to go out of discharge pipe
but not allow water to flow back into the sump
basin after pump has shut off.
Replace the check valve if necessary
Float switch in
‘on’ position for 3
seconds or more
but pump won’t
run
Pump is obstructed
Remove pump and clear any debris from
impeller or pump cavity
Pump runs but
pumps water
intermittently
Incoming water is causing pump to air lock
Divert incoming water to reduce
turbulence
Water level stays
high but pump
continues to run
Battery is low
Service or replace battery
If power is restored, check primary pump
Service or replace if required
Alarm sounds
during battery
recharge cycle
Alarm needs to be reset
Press ‘Silence’ button for 3 seconds
Battery is defective. Check voltage with a
multimeter. Disconnect the controller from
the battery and re-check voltage. If voltage is
below 12V after disconnecting, battery must
be replaced.
Check battery and replace if necessary
RISK OF ELECTRIC SHOCK.
Always disconnect power source before attempting to install, service, or maintain the pump. Never handle a
pump with wet hands or when standing on wet or damp surface or in water. Fatal electrical shock could occur.
DANGER
