Chapter 12 Troubleshooting - Emerson Micro Motion 2700 Configuration And Use Manual

12 Troubleshooting
Topics covered in this chapter:
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Configuration and Use Manual
Status LED states
Status alarms
Flow measurement problems
Density measurement problems
Temperature measurement problems
Milliamp output problems
Frequency output problems
Use sensor simulation for troubleshooting
Check power supply wiring
Check sensor-to-transmitter wiring
Check grounding
Perform loop tests
Check for radio frequency interference (RFI)
Check the HART communication loop
Check HART Address and Loop Current Mode
Check HART burst mode
Check the trimming of the mA output
Check Lower Range Value and Upper Range Value
Check mA Output Fault Action
Check Frequency Output Maximum Pulse Width
Check Frequency Output Scaling Method
Check Frequency Output Fault Action
Check Flow Direction
Check the cutoffs
Check for slug flow (two-phase flow)
Check the drive gain
Check the pickoff voltage
Check for electrical shorts
Check the core processor LED
Perform a core processor resistance test
Troubleshooting
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