MSW Motor Technics MSW-M-WPP-4.3LPM Manual De Instrucciones página 22

The pump starts and
stops repeatedly.
The motor is
running but there is
no flow through the
pump.
The motor does not
turn on.
The pump does not
stop when all valves
are closed.
Kinked water lines.
Hydraulic lines and/or
couplings have the bores
too small.
Dirty water taps and filters.
Air leak into the water line.
The suction line or the
discharge line is clogged.
Air leak in the suction line.
The pump diaphragm is
broken.
The starting current is
insufficient for the motor to
break away and run.
The valves have dirt inside.
The pump casing is cracked.
The power wiring is out of
specification or the
connections are loose.
The pump's power supply
has no voltage.
Blown fuse.
The pressure switch has
failed.
The motor has failed.
The pump diaphragm is
broken.
The discharge line is
leaking.
The pressure switch has
failed.
Insufficient supply voltage.
The valves in the pump
head are clogged.
Inspect the water lines for
kinks.
Make sure that the hydraulic
lines and couplings have a
sufficient size.
Clean the water taps and
filters.
Inspect the sealing of the
couplings to pinpoint air
leaks.
Inspect the lines for clogs.
Inspect the suction line.
Contact the manufacturer's
service.
Check the power supply.
Clean the valves.
Contact the manufacturer's
service.
Verify the power wiring.
Check the power supply.
Replace the fuse.
Contact the manufacturer's
service.
Verify the voltage.
Clean the valves.