Chapter 12 Troubleshooting - Emerson Micro Motion 2500 Configuration And Use Manual

12 Troubleshooting
Topics covered in this chapter:
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Configuration and Use Manual
Status LED states
Status alerts, causes, and recommendations
Flow measurement problems
Density measurement problems
Temperature measurement problems
Milliamp output problems
Frequency Output problems
Discrete output problems
Discrete Input problems
Using sensor simulation for troubleshooting
Check power supply wiring
Check sensor‐to‐transmitter wiring
Check grounding
Perform loop tests
Trim mA output
Check the HART communication loop
Check HART Address and mA Output Action
Check HART burst mode
Check Lower Range Value and Upper Range Value
Check mA Output Fault Action
Check for radio frequency interference (RFI)
Check Frequency Output Mode
Check Frequency Output Scaling Method
Check Frequency Output Fault Action
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
Check the core processor LED
Perform a 700 core processor resistance test
Troubleshooting
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