Clarke 7238020 Manual de instrucciones de uso y mantenimiento - Página 9
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TROUBLESHOOTING
Problem
Pump does not run.
Pump fails to prime
Pump runs but gives poor
output
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
Cause
Thermal protection has
been activated.
Faulty power connection Insert plug securely.
No mains supply.
Impeller seized/blocked
Air leaks through suction
hose joints (damaged
hose or damaged
clamp.)
Blocked inlet hose
Congested material
inside pump
Suction or delivery line
obstructed.
Inlet pipe leakage.
Air leaks through
damaged seal.
Impeller damaged and
making poor seal.
Impeller / mechanical
seal is badly worn.
9
Solution
If the motor has over-
heated, wait for it to cool
down before trying
again.
Check fused power
supply and replace fuse
if necessary (check fuse
rating). Check circuit
breaker.
Disconnect pump from
power supply.
Investigate cause and
clear blockage
Repair connections/
replace hose as
necessary.
Check pipeline for block-
age. Check any inlet
valve fitted is fully open.
Clean out & backflush
pump.
Remove obstruction and
ensure there are no kinks
in delivery line.
Check inlet pipe and
connector for leaks.
Tighten as required.
Renew seal.
Return to your CLARKE
dealer for repair.
Return to your CLARKE
dealer for repair.