Emerson Rosemount 648 Reference Manual page 63

Reference Manual
00809-0200-4648
Button stuck
Description
A button on the Electronic Board is detected as stuck in the active position.
Recommended actions
Simulation active
Description
The device is in simulation mode and may not be reporting actual information.
Recommended actions
6.1.2 Transmitter output
High output temperature detected
Potential cause
Sensor input failure or connection
Recommended actions
Potential cause
Electronics module
Recommended actions
Rosemount 648 Wireless
3. If not needed, disable this alert.
1. Check the buttons for obstructions.
2. Reset the device.
3. If conditions persist, replace the electronics.
1. Verify simulation is no longer required.
2. Disable Simulation mode in Service Tools.
3. Reset the device.
1. Connect a Field Communicator and enter the transmitter test mode to isolate a
sensor failure.
2. Check for a sensor open or short circuit.
3. Check the process variable to see if it is out of range.
1. Connect a Field Communicator and enter the transmitter status mode to
isolate module failure.
2. Connect a Field Communicator and check the sensor limits to ensure
calibration adjustments are within the sensor range.
Troubleshooting
May 2020
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