Troubleshooting
12
3A4131H
Excessive fluid
Excessive stroke rate
Lower the stroke rate if adjustable on
your pump.
Improper stroke length
Reduce stroke length.
Pump will not pump
System pressure too high
Check system pressure to assure
that it is within system-rated parame-
ters of the pressure.
Diaphragm improperly installed
Ensure the diaphragm is screwed
fully onto shaft.
Check valves worn or clogged
Clean or replace as required.
Pump will not run
Pump not turned on or plugged in
Check outlet with meter to assure
that correct voltage is present, and
that power supply cord is in good
condition and plugged in.
Blown fuse
Replace fuse with like kind.
Excessive noise
Pump not primed
Prime pump.
Problem
Cause
Solution
