Servicing - Pentair LA STA-RITE HD Installation And User Manual

3.6 - SERVICING

The pump is designed to operate for many years without servicing. Always disconnect the power supply to the
pump before servicing. The replacement of the electrical motor must be done by a professional.Fill pump strainer
with water to suction pipe level.
3.7 - TROUBLESHOOTING
Pump will not prime
1. No water in strainer pot
2. Strainer pot is not tight
3. Damage lid O-ring
4. Water level is below skimmer
5. Strainer basket or skimmer basket is clogged
6. Closed valve in piping system
7. Air leak in suction line
Motor does not turn
1. Power switch is off
2. Circuit breaker has tripped
3. Pump is off-mode of a timer controlled circuit
4. Motor terminal connections are incorrect
5. Motor shaft is locked
6. Impeller is locked by debris
Low flow/high filter pressure
1. Filter is dirty
2. Restriction in return line
AN ILLUSTRATED SPARE PARTS LIST CAN BE FOUND AT:
PUMP INFORMATION
Low flow/low filter pressure
1.
2. Clogged impeller
3. Air leak in suction line
4. Restriction in suction line
5. Reverse rotation of motor (three phase only)
Noisy pump
1.
2. Foreign matter in pump housing
3. Cavitation
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Strainer basket or skimmer basket is clogged
Air leak in suction
Single speed pumps Installation and User' s Guide
11