Troubleshooting Guide - onga LTP400 Owner's Manual

Symptom
Pump Does Not Run
Pump operates with reduced
or no flow
Pump leaking from between
the casing and the motor
- Should problems persist please contact your nearest Onga service agent.
TROUBLE SHOOTING GUIDE
Cause
No Power at the power outlet
Blown Fuse
Automatic Thermal Overload
has tripped to protect the motor
Pump is jammed (check if shaft
is free to rotate)
Motor burnt out due to voltage
spike or flooded by water
Valves turned to the closed
position
Dirty Filter
Air ingress to system
Lack of water
Debris in the pump or skimmer
box
Note: Do not operate pump
without hair & lint pot or
skimmer basket fitted correctly
Casing bolts are not tightened
Casing 'O'ring is worn
Mechanical Seal needs
replacing
10
Remedy
Use another electrical appliance
that is known to work to check the
power point.
Check Fuse and replace if
necessary
Switch the power to the pump off
and allow the motor to cool before
switching back on.
Ensure that the pump and motor
have adequate ventilation in the
area surrounding the pump.
Ensure that the pump is not
jammed with debris and that the
motor shaft spins freely.
The motor may be operating on a
low voltage supply.
Blockage in the pump or suction
strainer.
Motor bearings may be seized.
The motor may need replacing.
Check the plumbing to ensure the
valves are in the correct position
for filtering, including any valves
on the suction or discharge of the
pump.
Clean the filter (refer to the
documentation supplied with your
filter).
Re-prime the pump (refer to
priming procedure).
Check that there are no air leaks in
the suction piping or fittings.
Ensure the hair & lint pot lid is
closed and airtight.
Check there are no leaks coming
from beneath the pump and casing.
Ensure the water level in your pool
is at least up to the halfway mark
at the skimmer opening.
Ensure that both the hair & lint pot
basket and skimmer basket are free
of leaves and other debris.
Ensure that there is no blockage at
the pumps suction or discharge.
Ensure that the pump internals are
free of foreign matter which may
block the flow of water.
Switch off pump and loosen the
casing bolts. Check alignment and
condition of casing 'O'ring before
re-tightening. Replace the 'O'ring
if leaking persists.
Replace the mechanical seal and
lip seal if fitted.