Chapter 6 Troubleshooting; Overview; Rosemount ™ 928 Troubleshooting - Emerson Rosemount 928 Reference Manual

Reference Manual
00809-0100-4928
6 Troubleshooting
6.1

Overview

The following sections provide troubleshooting suggestions for the most common
operating problems. If you suspect malfunction despite the absence of any diagnostic
messages, follow these procedures to verify that the transmitter hardware and the sensor
module are in good working order.
6.2 Rosemount
6.2.1 Electronics Failure
An electronics error that could impact the device measurement reading has occurred.
Recommended actions
1. Reset the device by removing and reinstalling the power module.
2. In AMS or Field Communicator, go to Service Tools → Maintenance → Reset/
3. In AMS or Field Communicator, go to Service Tools → Maintenance → Reset/
4. Reconfirm all configuration items in the device.
5. If the condition persists, replace the transmitter.
6.2.2 Radio Failure
The wireless radio has detected a failure or stopped communicating.
Recommended actions
1. Reset the device by removing and reinstalling the power module.
2. If the condition persists, replace the transmitter.
6.2.3 Capacity Denied
The device has failed to acquire the wireless communication bandwidth required for the
configured update rate.
Recommended actions
1. Obtaining bandwidth may take time, depending on the configured update rate and
2. The update rate for the transmitter may be too frequent to allow it to join a wireless
Rosemount 928
™
928 troubleshooting
Restore → Restore Default Settings to reset the device to default settings.
Restore → Device Reset to reset the device electronics.
other devices on the wireless network. Wait several minutes to allow the device to
obtain bandwidth on its own.
gateway that is near capacity. Reconfigure the update rate of the device or other
Troubleshooting
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