Diagnostic Messages - Emerson Rosemount 3051 Reference Manual

Reference Manual
00809-0100-4007
6.3.4 Transmitter will not respond to changes in applied
pressure
Recommended actions
1. Check impulse piping or manifold for blockage.
2. Verify applied pressure is between 4 and 20 mA points.
3. Verify the output is not in alarm condition.
4. Verify transmitter is not in loop test mode.
5. Verify transmitter is not in multidrop mode.
6. Check test equipment.
6.3.5 Digital pressure variable reading is low or high
Recommended actions
1. Check impulse piping for blockage or low fill in wet leg.
2. Verify transmitter is calibrated properly.
3. Check test equipment (verify accuracy).
4. Verify pressure calculations for application.
6.3.6 Digital pressure variable reading is erratic
Recommended actions
1. Check application for faulty equipment in pressure line.
2. Verify transmitter is not reacting directly to equipment turning on/off.
3. Verify damping is set properly for application.
6.3.7 Milliamp reading is erratic
Recommended actions
1. Verify power source to transmitter has adequate voltage and current.
2. Check for external electrical interference.
3. Verify transmitter is properly grounded.
4. Verify shield for twisted pair is only grounded at one end.
6.4

Diagnostic messages

The below sections contain possible messages that appear on either the LOI/LCD display, a
Field Communicator, or an AMS system. Use them to diagnose particular status messages.
• Good
• Failed - fix now
Reference Manual
Troubleshooting
August 2019
103