Emerson Rosemount 5408 Reference Manual page 117

Reference Manual
00809-0100-4408
Related information
Power supply
Grounding
Device milliamp reading is too low or high
Recommended actions
Related information
Upper/lower range value
Alarm mode
Calibrate analog out
Milliamp reading is erratic
Recommended actions
Related information
Power supply
Grounding
Damping value
Device will not respond to changes in level
Recommended actions
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Related information
Upper/lower range value
Alarm mode
Check device status
Rosemount 5408 and 5408:SIS Level Transmitters
2. Verify power supply voltage is adequate at signal terminals.
3. Verify device and power supply are properly grounded.
1. Verify level.
2. Check the settings of the 4-20 mA range values.
3. Verify output is not in alarm condition.
4. Check that power wires are connected to the correct signal terminals.
5. Perform Calibrate Analog Out.
1. Verify power supply voltage is adequate at signal terminals.
2. Check for external electrical interference.
3. Verify device is properly grounded.
4. Verify shield for twisted pair is only grounded at the power supply end.
5. Under turbulent conditions with low level rates, consider increasing the
Damping value.
Verify level is between the 4 and 20 mA set points.
Verify output is not in alarm condition.
Verify device is not in loop test or simulation mode.
Service and troubleshooting
March 2023
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