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16. TROUBLESHOOTING
Trouble
The engine does not start and
does not make noise.
Pump does not deliver.
The pump stops suddenly
Flow decreases
Low flow or insufficient
Manual_FX-SP11100SET_Int24_rev1
Pls check
Is the pump plugged?
Does the pump starts when
fully submerged?
Does the impeller rotates?
Is it in good condition?
Is the pump inlet free?
The delivery head requested
exceeds the requirements of
the pump or the discharge pipe
is too narrow
Is there a sufficient water
level to suck?
Did the pump run for a long
time without stopping?
Are you sure that the pump
inlet is not obstructed?
Do the power of the mains
match the rating plate?
Is the temperature of the liquid
less than 35°C?
Is the pump inlet clean?
Is the impeller clean?
The discharge pipe is not
partially clogged?
Are you sure that the pump
inlet is not obstructed?
Is the impeller clean?
Are you sure that the outlet
pipe is not obstructed?
Is the diameter of the
discharge pipe enough?
20
Should do
Check your electrical installation
Check that the float can move freely
Eliminate the reason for blocking
Replace the impeller
Clean the pump inlet
Use the pump in accordance with its
technical capabilities
Increase the pipe diameter
Disconnect the pump from the mains
and let it cool for a few tens of minutes
Clean the pump inlet
Use a power supply matching the
rating plate
Observe the maximum allowable
temperature
Clean the area or areas in question (s)
Clean the zone (s) concerned and verify
check valve, if applicable
Connecting a pipe with a suitable
diameter and suppress reduction of
the water passage
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