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TROUBLESHOOTING
Symptom
Insufficient Prime
No Power
No Flow
Flow
Restriction
Air leak
System
Incompatibility
Cavitation
Excessive
Noise
No Power
Flow Restriction
10
Problem
Prime system with water and purge all air from suction piping.
Wired incorrectly or an RCD has tripped.
Pump has been switched off at the controller.
Ensure valves are open.
Ensure plumbing is clear, including suction strainers,
check valves, etc.
Verify non return valve orientation and direction of permitted flow.
Clean out leaves or other debris from basket strainer (if
applicable).
Fix air leaks at fittings, connections, strainer basket etc.
This typically occurs on the intake side.
Verify hydraulic compatibility: i.e. pump & pipe are sized
for the system.
Verify airtight plumbing on the suction plumbing especially
fittings!
Clean out leaves or other debris from basket strainer (if
applicable).
Increase pipe size where possible.
Decrease suction pipe length, reduce the number of elbows, etc.
Verify hydraulic compatibility: i.e. pump and pipe are sized for
the system.
Wired incorrectly or an RCD has tripped.
Pump has been switched off at the controller.
Ensure valves are open.
Ensure plumbing is clear, including suction strainers,
check valves, etc.
Verify non return valve orientation and direction of permitted flow.
Resolution
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