MNL000448.doc
Revision 00
09/19/2016
© Versum Materials, Inc. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
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PT4 (Purge Inlet Transducer) Alarms
The following are possible purge inlet transducer alarms.
9.6.7 Low Purge Inlet Pressure or Very Low Purge Inlet
Pressure
Probable Cause
Corrective Action
Purge gas inlet pressure is below the
low or very low setpoints.
Increase purge gas inlet pressure to the
distribution system.
9.6.8 High Purge Inlet Pressure or Very High Purge Inlet
Pressure
Probable Cause
Corrective Action
Purge gas inlet pressure is above the
high or very high setpoints.
Decrease purge gas inlet pressure to
the distribution system.
PT5 (Vent Line Transducer) Alarms
The following are possible vent line transducer alarms.