Troubleshooting - Pentair Aquatic Eco-Systems Sweetwater SHE1.7 Manual

Troubleshooting

Problem
Motor will not rotate.
Motor hums or will not rotate at correct speed.
Pump operates with little or no flow.
Pump loses prime.
Motor or pump overheats.
2395 Apopka Blvd.
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Reason
Improper wiring.
Breaker/fuse/GFCI tripped.
Overheated motor.
Improper wiring.
Debris in impeller/volute.
Mechanical resistance to rotation.
Bearing problem.
Failed condenser/start switch.
Pump not primed.
Seal leak.
Improper line voltage.
Improper phase rotation.
Obstruction in plumbing/impeller.
Defective check or foot valve.
Air introduction in inlet plumbing.
Defective check or foot valve.
Seal leak.
Air introduction in inlet plumbing.
Fluid supply low.
Improper line voltage, phase, wiring.
Binding motor shaft or pump parts.
Inadequate ventilation.
Deadheaded pump.
Apopka, FL 32703 Phone: 877-347-4788
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Remedy
Check for proper electrical connections to motor.
Check main power supply for tripped breaker, etc.
Check thermal overload on motor.
Check for proper electrical connections and proper
cord size and length.
Check for foreign material inside pump.
Remove motor and check for impeller rotation without
excessive resistance.
Remove motor and check shaft rotation for excessive
bearing noise.
Have authorized service person check condenser.
Check to insure that pump is primed.
Check for leaking seal.
Check voltage.
Check phase rotation.
Check for clogged inlet port and/or impeller.
Inspect check/foot valve for obstruction or failure.
Check inlet lines for air leakage.
Inspect check/foot valve for obstruction or failure.
Check for leaking seal.
Check inlet lines for air leakage.
Ensure proper sizing of pump for available
fluid supply.
Check amperage, voltage, and phase.
Check for obstruction, bearing failure,
shaft distortion.
Allow for airflow around pump motor.
Ensure water flow at pump discharge.
Fax: 407-886-6787 PAES.General
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