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©Copyright 2012 Liberty Pumps Inc. All rights reserved 7
Risk of electric shock.
Always disconnect the pump from the power source before handling or making
adjustments.
Problem
Cause
Correction
Pump will not run.
Blown fuse or other interruption of
power; improper voltage.
Check that the unit is securely plugged in.
Have an electrician check all wiring for proper
connections and adequate voltage and
capacity.
Switch is unable to move to the
“turn on” position due to
interference with the side of basin
or other obstruction
Position the pump or switch so that it has
adequate clearance for free operation.
Insufficient liquid level.
Make sure the liquid level is allowed to rise
enough to activate switch(s).
Defective switch.
Remove and replace switch.
Figure 10. Installation of Switch Bracket
Switch Bracket
Bolt and
Washer
Fig. 9 Switch Cord Routing
Internal
inlet hub
Switch Cord
4. Troubleshooting