Pentair Pentek Series User Manual

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SECTION 13: Troubleshooting
Submersible Controls Troubleshooting
Problem Possible Cause Corrective Action
Pump fails to turn ON –
no amp draw.
Damaged magnetic contactor, specifically
the coil.
Plus Series only - replace coil.
Damaged pressure switch. All models - replace pressure switch.
Loose connection. Check to ensure that all connections are
made and all screws tightened to 20 in-lbs.
Damaged motor. Check winding resistance.
Motor draws amps
significantly higher than
service factor.
Damaged relay (welded contacts, bad coil). Replace relay.
Wrong Control (e.g. 2 HP used on a 1 HP
pump).
Install correct control.
Bad run capacitor (blown). Replace run capacitor.
Miswired motor (e.g. Red and Black
swapped).
Verify motor wiring.
Voltage outside of operational norms. Verify incoming voltage.
Drop cable too small. Replace drop cable with proper size wire for
installation.
Overload trips within
10seconds of Startup.
Locked (stalled) rotor condition. Check installation.
Miswired control. Check to ensure connections match wiring
diagram.
Mis-matched motor & liquid end. Verify installation.
Wrong control used on motor. Replace with correct control.
Damaged relay. Check per above.
Damaged Start Capacitor. Check per above.
Overload Trips After
10seconds of Startup.
Rapid cycle. Check installation.
High ambient. Do not mount in direct sunlight, provide
proper ventilation.
Damaged Run Capacitor. Check per above.
Chattering Relay/Bad Coil makes a clicking
noise during operation.
Check per above.
Wiring too small for current/drop length. Check installation.
Wrong control used on motor. Replace with correct control.
Pump performance is
low.
Installation/liquid end problem. Check per installation manual.
Damaged motor. Verify and replace.
Voltage outside of operational norms. Check with voltmeter.
Drop cable too small for run length. Check installation.
Damaged or Incorrect Run Capacitor. Check per above.
Wrong control used. Replace with correct control.
Start capacitor vents
contents.
Line voltage outside of operational norms. Verify incoming voltage.
Damaged relay. Check and replace the relay or wires if they
failed.
Wire too small for drop length. Use a low-voltage relay.
Troubleshooting

Pentair Pentek Series Specifications

General

Brand	Pentair
Model	Pentek Series
Category	Engine
Language	English