Chapter 10 Troubleshooting; Quick Guide To Troubleshooting - Emerson MICRO MOTION HFVM Series Configuration And Use Manual

10 Troubleshooting
Topics covered in this chapter:
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10.1

Quick guide to troubleshooting

The meter may report or exhibit issues that are caused by installation problems, wiring
problems, configuration problems, process problems, problems with external devices, or
mechanical issues with the sensor itself.
To identify and resolve problems as effectively as possible, work through the following list
of suggestions:
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Configuration and Use Manual
Quick guide to troubleshooting
Check power supply wiring
Check grounding
Perform loop tests
Status LED states
Status alerts, causes, and recommendations
Viscosity measurement problems
Density measurement problems
Temperature measurement problems
API referral problems
Milliamp output problems
Using sensor simulation for troubleshooting
Trim mA outputs
Check HART communications
Check Lower Range Value and Upper Range Value
Check mA Output Fault Action
Check for radio frequency interference (RFI)
Check the cutoffs
Check for two-phase flow (slug flow)
Check the drive gain
Check for internal electrical problems
Locate a device using the HART 7 Squawk feature
If this is a first installation:
- Verify the power wiring and power supply.
- Verify the output wiring. The outputs must be powered externally.
- Verify the grounding.
Troubleshooting
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