Air Products GASGUARD TE10, Инструкция по установке, эксплуатации и обслуживанию

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Section 9: Troubleshooting
Revision – November 2004 9 - 7
9.6 Typical Alarms
This section assumes that all devices are calibrated and functioning according to
the manufacturer's specification. Contact your Air Products 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 Air
Products and Chemicals.
NOTE: Contact Air Products and Chemicals if the alarm
displayed on the screen does not appear in this section.
NOTE: Contact Air Products and Chemicals 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. Examine process gas system to locate
cause of signal.
Excess flow switch stuck in the open
position due to contamination or
corrosion. Perform branch purge routine
according to Section 8.4.1 in an
attempt to remove any residual build-
up in the excess flow switch.
9.6.2 Low Pneumatic Supply Pressure
Probable Cause Corrective Action
Pneumatic supply to the controller is
less than 65 psig (4.5 barg). Adjust pneumatic pressure to the
controller to 85-95 psig (5.9-6.6 barg).