Pentair HYPRO 1532C-6ESP-03 - Troubleshooting

12
L-1599 (04-01-22)
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE(S) CORRECTIVE ACTION
No Water Delivered.
Not primed.
Re-prime, inspect suction system for air leaks, and/or check
assembly.
Pump takes too long to prime. Check for air leaks or defective check valve.
Flow through pump completely or
partially blocked.
Locate and remove obstruction. Attach strainer.
Pressure required by system at design
flow rate exceeds pressure rating of
pump.
Compare pump pressure and flow rate against pump performance
chart. Reduce system pressure requirement. Increase pressure
capability of pump.
Obstruction in suction piping. Locate and remove obstruction. Attach strainer.
Suction lift too high.
Check with gauge or measure vertical distance between water
surface and center line of pump, allowing for friction loss in suction
pipe. Reduce rate of flow to obtain desired lift. Refer to pump
performance chart.
Leaky suction line or connection
admitting air.
Repair or replace suction line. Tighten connections.
Not Enough Water
Delivered.
Speed too low. Refer to engine section.
Flow through pump completely or
partially blocked.
Locate and remove obstruction. Attach strainer.
Internal leakage.
Check clearances between face of vanes and case. Should not
exceed 1/32”.
Pressure required by system at design
flow rate exceeds pressure rating of
pump.
Compare pump pressure and flow rate against pump performance
chart. Reduce system pressure requirement. Increase pressure
capability of pump.
Obstruction in suction piping. Locate and remove obstruction. Attach strainer.
Suction lift too high.
Check with gauge or measure vertical distance between water
surface and center line of pump, allowing for friction loss in suction
pipe. Reduce rate of flow to obtain desired lift. Refer to pump
performance chart.
Leaky suction line or connection
admitting air.
Repair or replace suction line. Tighten connections.
Not Enough
Pressure.
Speed too low. Refer to engine section.
Flow through pump completely or
partially blocked.
Locate and remove obstruction. Attach strainer.
Internal leakage.
Check clearances between face of vanes and case. Should not
exceed 1/32”.
Pressure required by system at design
flow rate exceeds pressure rating of
pump.
Compare pump pressure and flow rate against pump performance
chart. Reduce system pressure requirement. Increase pressure
capability of pump.
Obstruction in suction piping. Locate and remove obstruction. Attach strainer.
Suction lift too high.
Check with gauge or measure vertical distance between water
surface and center line of pump, allowing for friction loss in suction
pipe. Reduce rate of flow to obtain desired lift. Refer to pump
performance chart.