Addendum A
– LPE 14 Liter Bubbler Change
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Table 4-1:
Bubbler Change Diagnostics
The following are errors that could occur during the Change Bubbler Operation:
ERROR
POSSIBLE CAUSES
REMEDY
Base Vac Timeout
Vacuum Venturi failure
Loose VCR connection
Check N2 pressure
Replace gaskets and re-
tighten fittings
Leak Check Failure
Loose VCR fitting
Failed valve
Replace gaskets and re-
tighten fitting
Replace container
Low Push Pres Blk
High Push Pres Blk
Bulk Vent Failed
Supply gas source problem
Push Pressure Transducer
fail
Check supply gas sources
Adjust regulators
Check Transducers