5
8.0
TROUBLESHOOTING
Fault/Problem
Possible Cause
Remedy
Pump will not
prime
Suction air leak.
Make sure water level is correct through suction points.
Ensure baskets and strainers are free of debris. Tighten all
fittings/unions on the suction side of the pump, remove and
replace mechanical seal.
No water in the pump.
Make sure hair and lint pot is full of water.
Closed valves or blocked
lines.
Open all valves in system, clean skimmer and pump basket,
check pump impeller for blockage.
Motor will not run
No power to motor.
Check that all electrical switches are on. Ensure the circuit
breakers are properly set. Check if timer is set properly. Check
motor wiring at terminals.
Pump jammed.
With power switched off, turn pump shaft (should spin freely).
If not contact electrician or Evolution for service.
Low flow
Dirty filter.
Backwash filter or clean/replace cartridge filter element.
Dirty skimmer and pump
strainer.
Clean skimmer and pump strainer.
Suction air leak.
Refer to
Pump will not prime.
Closed valve or blocked
line.
Refer to
Pump will not prime.
Motor runs hot
Be aware some heat from motors is normal. Do not touch hot motors. Thermal overload
protector will deactivate pump if there is an overload or high temperature problem.
Low or incorrect voltage.
Supply to be corrected by electrician.
Cooling fan clearance.
The pump motor cooling fan must have a minimum clearance
of 150mm.
Installed in direct
sunlight.
Shield from the weather.
Poor ventilation.
Do not tightly cover or enclose motor.
Noisy pump
operation
Bad bearing.
Have electrician replace.
Air leak in suction.
Refer to
Pump will not prime.
Suction blockage.
Locate and clear blockage.
Foreign matter in
impeller.
Dismantle pump and remove foreign matter and debris
from around impeller.
Cavitations.
Improve suction, reduce suction lift, reduce number of
fittings, increase pipe size, increase discharge pressure
and reduce flow by throttling discharge valve
Motor overload
cut outs
Motor not connected
properly.
Have electrician check wiring.
Low incoming voltage.
Have electrician check voltage, ensure pump is not running on
an extension cord. Report low supply to authorities.
Overload due to binding
in pump or wrong size
impeller.
Contact Evolution for service.
