Section
4-1
4 Hardware and Software
Maintenance and
Troubleshooting
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1
Troubleshooting Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-3
Advanced Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . page 4-6
Testing Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-9
Hardware Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-10
Return of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-27
Table 4-1 provides summarized troubleshooting suggestions for the
most common problems that occur during operation. The symptoms of
metering problems include:
• Communications problems with a HART-based communicator.
• Incorrect 4–20 mA output.
• Incorrect pulse output.
• Error messages on HART-based communicator.
• Flow in pipe but no transmitter output.
• Flow in pipe with incorrect transmitter output.
• Output with no actual flow.
NOTE
The Model 8800C sensor is extremely reliable and should not have to be
replaced. Please consult the factory before removing the sensor.
SAFETY MESSAGES Instructions and procedures in this section may require special
precautions to ensure the safety of the personnel performing the
operations. Please refer to the following safety messages before
performing any in this section.
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