2399000D
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11 | EN
Pump operates noisily.
Piping attachments to building are too rigid.
Replace a portion of the discharge line with rubber hose
or connector.
Pump is being run below minimum head
requirement causing cavitation.
A different sized pump or impeller may be required.
Consult Liberty Pumps.
Incorrect motor rotation.
Contact factory.
Foreign objects in the impeller cavity.
Clean the impeller cavity.
Repeated tripping.
Circuit protection underrated.
Check rating and replace with proper size.
Other appliance on same circuit.
Pump requires separate circuit.
Pump is connected to an extension cord or
wiring is inadequate or compromised.
Have an electrician check for proper wiring.
Improper voltage.
Have an electrician check all wiring for proper
connections and adequate voltage and capacity.
Obstruction in pump.
Remove obstruction.
Incorrect motor rotation.
Contact factory.
Foreign matter buildup.
Clean motor housing.
Table 2. Troubleshooting Matrix (continued)
Problem
Possible Cause
Corrective Action
