Waterman 550 W Mode D'emploi page 10

10
TROUBLESHOOTING
Problem Error cause / Remedy
Pump does not start No power
Fuse or RCD triggered
Overload protection triggered
Pump blocked (check that the
shaft can rotate freely)
Shaft is possibly blocked
Inlet possibly blocked/clogged
Motor burned out due to
voltage peaks or flooding
Pump is working Filter is dirty
with reduced or no
flow
Air in the installation
No water
Inlet possibly blocked/clogged
Leaks between Housing screws not
housing and motor properly tightened. Housing
seal worn. Mechanical lock
needs
to be replaced
Assembly and Operating Instructions
What to do
Check the electrical socket using another
electrical device. Check the fuse box.
Check the fuse and the RCD, replace or switch
them on again if necessary
Switch off the pump and let the motor cool down,
then switch it on again. Make sure that the motor
and pump are adequately ventilated. Make sure
that the pump is not blocked by foreign objects
and that the motor shaft rotates freely. It is
possible that the supply voltage to the motor has
dropped.
Filter or suction nozzle clogged. Ball bearings
possibly blocked
Filter or suction nozzle clogged.
Free the shaft from the blockage by turning
(switch off power first)
The motor needs to be replaced
Clean the filter system (see operating instructions
for the filter system)
Flush the pump again with water (see priming
instructions). Check hoses for getting in. Check
the filter system for leaks.
Make sure that the water level in the swimming
pool is above the water outlet
Clean the inlet
Switch off the pump and loosen the housing
screws. Before retightening the screws, check
the alignment and condition of the seal. If the
problem persists, replace the seal. Reinstall the
mechanical seal or sealing lip (if available).