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21
5. Trouble Shooting
Problem
Possible Cause
Corrective Measures
Pump does not start
–
No power available
–
Check power supply
–
Fuse faulty
–
Replace fuse
–
Power supply chord damaged
–
Repairs only from licensed electricians
–
Float switch damaged or stuck
–
Replace float switch (repair or replacement of
float switch only from licensed electrician)
–
Overheated
–
Pump will automatically return to operation when
it has properly cooled
Impeller blocked
–
Debris, contaminants, blockage are
–
Clean pump (see Section 3)
jammed between impeller and
intake flange
Reduced pump performance
–
Suction basket clogged
–
Clean pump (see Section 3)
–
Wear and tear on intake flange
–
Replace intake flange
–
Wear and tear on impeller
–
Replace impeller
–
Ventilation hole not open or clogged
–
Clear ventilation hole (or drill open)