
26
8. TROUBLE SHOOTING
Problem
Possible Cause
Corrective Action
Pump fails to
start.
Mains Voltage is not
present
Pump shaft is locked
Pump shaft is damaged
1. Replace fuse, reset breaker/GFCI.
2. Tighten mains wire connections.
Check if the pump can be rotated by
hand and remove any blockage.
Replace pump.
Pump runs
then stops.
Over temperature
FAULT
Over current FAULT
Check that back of pump is free from
dirt and debris. Use compressed air to
clean.
Pump will automatically restart after
one (1) minute.
Pump is
noisy.
Debris in contact with
fan
Debris in strainer basket
Loose mounting
Check that back of pump is free from
dirt and debris. Use compressed air to
clean.
Clean strainer basket.
Check that mounting bolts of pump
and pump are tight.
Pump runs
without flow.
Impeller is loose
Air leak
Clogged or restricted
plumbing
Check that pump is spinning by
looking at fan on back
of Variable Speed Pump. If so, check
that pump impeller is correctly
installed.
Check plumbing connections and
verify they are tight.
Check for blockage in strainer or
suction side piping.
Checked for blockage in discharge
piping including
partially closed valve or dirty pool filter