Table of Contents
Advertisement
Lubricated Rotary Vane Laboratory Vacuum Systems
5.0 Troubleshooting (continued)
Problem
Hour meter reading shows
one pump has accumulated a
greater number of operating
hours than the other pump(s)
Evacuation / purge of the sys-
tem takes too long or is too
short
Lag alarm is not making an
audible alarm
4107 9021 88.01
Possible Causes
Alternation of pump timing not set
appropriate for the demand or the de-
mand schedule
Pressure switches or set points not set
properly
No power to the pump
Adjustable
purge
timing
appropriately for the demand
Internal parts worn or damaged
Lag alarm option has not been enabled Enable lag alarm feature.
Solution
Adjust pump alternation timing settings.
Refer to Appendix B.2.1 to adjust the vacuum
switch settings.
Check the starter to see if it has tripped.
Check voltage at the pump to see if one "leg" of
the three phase is out.
not
set
Adjust purge timing settings.
Repair the vacuum pump and/or purge.
Contact BeaconMedæs for service.
Contact BeaconMedæs for service.
See Appendix A for further instructions (TAe
controls only).
5-5
Advertisement
Table of Contents
