Pulsafeeder Pulsar Series HypoPump - Manual (Page 13)

9
9. Troubleshooting Guide
Symptom Probable Cause Possible Solution
Pump does not
prime (product
side) Purge relay not operational Verify power is present at timing relay.
Valve flapper not actuating Remove cover from valve assembly
and verify that solenoid is
actuating valve flapper.
Check valves fouled or damaged Clean or replace suction and/or discharge
check valves as per pump IOM.
Power interruption Check that power is connected to the AVA
Flapper worn or damaged. Clean or replace flapper per
pump manual.
Low pump
delivery Check valves fouled or damaged. Clean or replace suction and/or discharge
check valves as per pump IOM.
Calibration or testing error Evaluate cause and correct
Figure 6