Recommended actions
1. Verify the process variable assigned to the mA input.
2. Ensure that the transmitter and the external device are using the same measurement unit for the
process variable.
3. Check the Lower Range Value and Upper Range Value configured for the mA input.
17.11.3 mA input value slightly inaccurate
Cause
External device not calibrated to match transmitter
Recommended actions
Calibrate the external device against the transmitter reading.
17.12 Milliamp output problems
17.12.1 No mAO
Cause
• Output not powered
• Power supply problem
• Wiring problem
• Circuit failure
• Channel not configured for desired output or input
• Channel not licensed
• Incorrect internal/external power configuration
Recommended actions
1. If applicable, check the output wiring to verify that the output is powered.
2. Check the power supply and power supply wiring.
3. Verify the output wiring.
4. Check the Fault Action settings.
5. Verify channel configuration for the affected mA Output.
6. Purchase a license for the channel and upgrade the transmitter firmware.
7. Measure DC voltage across output terminals to verify that the output is active.
8. Contact customer service.
17.12.2 Loop test failed
Cause
• Output not powered
Troubleshooting Configuration and Use Manual
March 2019 MMI-20025166
258 Micro Motion Model 5700 Transmitters with Configurable Outputs
To Next Page
Loading...
