Diagnostic Messages - Emerson Rosemount 2051 Reference Manual

Troubleshooting
March 2024
5.3.6 Digital pressure variable reading is erratic
Recommended actions
5.3.7 Voltage reading is erratic
Recommended actions
5.4

Diagnostic messages

Listed in the below sections are detailed descriptions of the possible messages that will
appear on either the LCD/local operator interface (LOI) display, a communication device, or
an AMS Device Manager system.
Possible statuses are:
• Good
• Failed – fix now
• Maintenance – fix soon
• Advisory
5.4.1 Status: Failed - fix now
No Pressure Updates
There are no pressure updates from the sensor to the electronics.
LCD display
Local Operator
Interface (LOI)
Recommended actions
Electronics Board Failure
A failure has been detected in the electronics circuit board.
LCD display
Local Operator
Interface (LOI)
82
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.
1. Verify power source to transmitter has adequate voltage and current.
2. Check for external electrical reference.
3. Verify transmitter is properly grounded.
4. Verify shield for twisted pair is only grounded at one end.
NO P UPDATE
NO PRESS UPDATE
1. Ensure the sensor cable connection to the electronics is tight.
2. Replace the transmitter.
FAIL BOARD
FAIL BOARD
Reference Manual
00809-0100-4101
Emerson.com/Rosemount