PYD Electrobombas MP Serie Manual De Instalación Y Mantenimiento página 10

INSTRUCTIONS MANUAL AND MAINTENANCE
SERIE MP
5. TROUBLESHOOTING
PROBLEME
The motor starter does
not work
The differential
breaks when the pump
starts
Circuit
breaker trips
The motor
does not start
The pump works but
does not draw water
When the power is
cut off, the pump runs
backwards
The pump makes noise
and vibrates
www.proindecsa.com / proindecsa@proindecsa.com
POSSIBLE CAUSES
a) No current
b) Fuse cut
c) Motor overload
d) Damaged capacitor
e) Bad connections
f) Damaged engine
a) Broken fuse
b) Differential malfunction
c) Bad wiring connection
d) Damaged winding
e) Flu pump
a) Bad connection in the box
b) Frame malfunction
a) Pipe diameter is less than required
b) There is not enough water in the suction
c) Water level is too low
d) The pressure in the aspiration is very low
e) The aspiration is obstructed
a) The aspiration is obstructed
b) Foot valve or check valve is closed
c) Narrowing in the suction pipe
d) Air in the pump or in the suction pipe
a) Narrowing in the suction pipe
b) Foot valve or check valve failure
c) Overdue foot valve
d) Bubble in the suction pipe
a) Narrowing in the suction pipe
b) Small suction pipe or is blocked
c) There is air in the pump
or in the suction pipe
d) The rate between device and pump
height too low
e) Wear of mechanical parts
SOLUTIONS
a) Check current
b) Replace the fuse
c) Check the system
d) Change capacitor
e) Check the connections and the box
f) Repair the engine
a) Replace the fuse
b) Check the differential
c) Check the wiring and connections
d) Change the engine
e) Repair the pump
a) Check the connections in the chart
b) Check the operation of the frame
a) Install a larger pipe diameter
b) Improve the system and check the dynamic
water level
c) Increase the level
d) Increase suction pressure
e) Check and clean the suction
a) Check and clean the
pump suction b) Check the foot and check valves
c) Check the pipe
d) Prime the pump and suction pipe
a) Check the suction pipe
b) Check and repair or replace the valves
c) Check the valve
d) Purge the suction pipe
a) Check the suction pipe
b) Improve or repair the suction pipe
c) Fill with liquid and take out the air
d) Improve the system or select another type
e) Repair the pump
10