Diagnostic Messages - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0100-4107
Table 6-2: Rosemount troubleshooting for 1–5 Vdc output
Symptom
Digital pressure variable reading is low or high
Digital pressure variable reading is erratic
Voltage reading is erratic
6.5

Diagnostic messages

Listed in the below sections are detailed table of the possible messages that will appear on
either the LCD/LOI display, a Field Communicator, or an AMS Device Manager system. Use
the tables below to diagnose particular status messages.
• Good
• Failed – fix now
• Maintenance – fix soon
• Advisory
Reference Manual
(continued)
Corrective actions
Verify applied pressure is between the 1–5 Vdc
points
Verify the output is not in alarm condition
Verify transmitter is not in loop test mode
Verify transmitter is not in multidrop mode
Check test equipment
Check impulse piping for blockage or low fill in
wet leg
Verify transmitter is calibrated properly
Check test equipment (verify accuracy)
Verify pressure calculations for application
Check application for faulty equipment in
pressure line
Verify transmitter is not reacting directly to
equipment turning on/off
Verify damping is set properly for application
Verify power source to transmitter has adequate
voltage and current
Check for external electrical interference
Verify transmitter is properly grounded
Verify shield for twisted pair is only grounded at
one end
Troubleshooting
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