Table of Contents
Advertisement
8.
TROUBLESHOOTING
Trouble
(A)
Pump does not start.
(B)
No Flow
(C)
Pump does not work
after operating
normally
Acro-Smart Electronic Series
Cause
Blown electrical. Fuse.
Electrical overload relay
trips.
Electrical wiring breakdown
or defective contact.
Low voltage.
Difference in supply
voltage and rated voltage
of motor.
Defective motor.
Excessive pressure in
discharge line.
Valve in discharge line
closed.
Pump discharge valve
incorrectly reassembled
during maintenance.
Ball stop cushion missing
Air in liquid end.
Valve in discharge line
closed.
Pump discharge valve
incorrectly reassembled
during maintenance.
Ball stop cushion missing.
Overload relay
Overload relay
Discharge pipe clogged.
Valve in discharge line
closed.
Pump discharge valve
incorrectly reassembled
during maintenance.
Ball stop cushion missing.
January 2017
Corrections
Check cause and change to
suitable capacity fuse
Change relay capacity to
correct value.
Change or reconnect.
Find cause and correct.
Check and replace.
Reduce pressure.
Open valve
Reassemble correctly.
Relieve pressure in
discharge line.
Open valve.
Reassemble correctly.
Reset the switch after
checking the cause and
correcting.
Reset the switch after
checking the cause and
correcting.
Clear the pipe.
Open valve.
Reassemble correctly
Acro-Smart Electronic Series
Advertisement
Table of Contents
