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Reference Manual
00809-0100-4772, Rev FA
March 2016
Section 7
Troubleshooting
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 81
Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 81
Troubleshooting tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 82
Advanced troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 88
Hardware maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 90
Return of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 108
7.1
Overview
This section provides troubleshooting information for the most common problems that
occur during operation. It describes the advanced troubleshooting features provided by the
flowmeter, and provides the maintenance procedures required to disassemble and
re-assemble the hardware components.
7.2
Safety messages
Instructions and procedures in this section may require special precautions to insure the
safety of the personnel performing the operations. Please refer to the following safety
messages before performing any operations in this section.
Explosions could result in death or serious injury.
Do not remove the transmitter cover in explosive atmospheres when the
circuit is live.
Verify that the operating atmosphere of the transmitter is consistent with the
appropriate hazardous locations certifications.
Both transmitter covers must be fully engaged to meet explosion-proof
requirements.
Failure to follow these installation guidelines could result in death or serious
injury.
Make sure only qualified personnel perform the installation.
The sensor cavity could contain line pressure if an abnormal failure has occurred
inside the meter body.
De-pressurize flow line before removing the sensor nut.
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