Return Of Materials - Emerson Rosemount 644 Reference Manual

Troubleshooting
March 2021
Analog output fixed
WARN LOOP WARN FIXED
Potential cause
The analog output is set to a fixed value and is not currently tracking the HART Primary
Variable.
Recommended actions
Simulation active
Potential cause
The device is in simulation mode and may not be reporting actual information.
Recommended actions
6.5

Return of materials

To expedite the return process in North America, call the Emerson National Response
Center toll-free at 800-654-7768. This center, available 24 hours a day, will assist you with
any needed information or materials.
The center will ask for the following information:
• Product model
• Serial numbers
• The last process material to which the product was exposed
The center will provide:
• A Return Material Authorization (RMA) number
• Instructions and procedures that are necessary to return goods that were exposed to
hazardous substances.
For other locations, contact an Emerson sales representative.
Note
If a hazardous substance is identified, a Safety Data Sheet (SDS), required by law to be
available to people exposed to specific hazardous substances, must be included with the
returned materials.
106
1. Verify that it was intended for the transmitter to be operating in "Fixed Current
Mode."
2. Disable "Fixed Current Mode" in Service Tools to have the analog output
operate normally.
1. Verify simulation is no longer required.
2. Disable simulation mode in service tools.
3. Perform a device reset.
Reference Manual
00809-0200-4728
Emerson.com/Rosemount