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Piping noisy
Pipe size too small
Increase size of piping - install pulsation
dampener
Pipe runs too long
Install pulsation dampener in line
Surge chambers flooded
Replace with air or inert gas. If a pulsation
dampener is installed, replace diaphragm and
recharge
No surge chambers used
Install pulsation dampener
Motor overheats
Pump overloaded
Check operating conditions against pump design
High or low voltage
Check power source
Loose wire
Trace and correct
Excessive discharge pressure
Correct conditions so ratings of pump are not
exceeded
Leak Detection –
False Alarm
Vacuum/pressure leak
Find and correct
Switch adjustment off
Readjust switch
Switch malfunction
Replace switch
Leak Detection –
Failure to Alarm
Switch adjustment off
Readjust switch
Switch malfunction
Replace switch
Power off
Restore power
Alarm wiring discontinuity
Find and correct