Chapter 10 Troubleshooting; Quick Guide To Troubleshooting - Emerson Micro Motion CDM100M A 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.
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
Density measurement problems
Temperature measurement problems
API referral problems
Concentration measurement problems
Velocity measurement problems
Milliamp output problems
Discrete output problems
Time Period Signal (TPS) 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 Flow Direction
Check the cutoffs
Check for two‐phase flow (slug flow)
Check the drive gain
Check the pickoff voltage
Check for internal electrical problems
Locate a device using the HART 7 Squawk feature
Troubleshooting
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