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8. TROUBLE SHOOTING GUIDE
Symptoms Probable Cause Recommended Action
Pump will not start.
Electrical supply.
Check power supply.
Check fuse (see fuse section).
Check circuit breaker is set.
Check wiring connections.
Pump Jammed.
Contact Stuart Turner.
Recommended static inlet/ outlet
heads exceeded.
Re-position pump (see pump
location section).
Control panel damaged.
Contact Stuart Turner.
Insufficient water
pressure from pump.
Pressure setting incorrect.
Strainer clogged (if fitted).
Ensure pressure set on pump is
of required value.
Ensure the strainer is clear.
Inlet pipe work of insufficient
diameter.
Check dimension of pipe work.
Blockage in inlet pipe.
Ensure pipework is not blocked
or restricted.
No water being
discharged when
pump is running.
Pump is not primed with water.
Water supply failed.
Remove drain plug from bottom
of pump and ensure system is
filled with water.
Pump check valve stuck. Contact Stuart Turner.
Pump drawing in air causing
cavitation when drawing water
from negative head situation.
Check for leaks on inlet pipes.
Provide pump with positive
head supply of water.
Pump runs on with
outlets closed.
Leak in system.
Check tap washers, w/c valve
washers, pipe joints.
Pump cycles (hunts)
on/off frequently.
Debris under non-return valve
sealing face.
Run at full flow to try and flush
away debris or remove, clean or
replace non-return valve.
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