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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9.6
Typical Alarms
This section assumes that all devices are calibrated and functioning according to
the manufacturer's specification. Contact your Versum Materials, Inc. Technical
Representative or the manufacturer should you need to obtain this information.
Before performing troubleshooting, review the Safety Section (section 1) and read
the warnings. If at any time during troubleshooting, you are unsure what to do
next, DO NOT CONTINUE. Contact Versum Materials, Inc..
NOTE: Contact Versum Materials, Inc. if the alarm displayed
on the screen does not appear in this section.
NOTE: Contact Versum Materials, Inc. for the procedure for
calibrating pressure transducers.
9.6.1 Excess Flow
Probable Cause
Corrective Action
High process gas flow due to
mechanical failure or product surge.
Excess flow switch stuck in the open
position due to contamination or
corrosion.
Examine process gas system to locate
cause of signal.
Perform branch purge routine
according to Section 8.4.1 in an
attempt to remove any residual build-