Emerson Rosemount 928 Reference Manual page 162

Troubleshooting
February 2023
6.2.4 Supply Voltage Failure
The supply voltage is too low for the device to broadcast updates.
Recommended action
Replace the power module.
6.2.5 Sensor has Exceeded Limits
The sensor has exceeded its maximum measurement range.
WARNING
Always respond to all indications of dangerous concentrations of toxic gas as though they
are real until they are proven false.
Recommended actions
6.2.6 Sensor Module Temperature Exceeded
The gas sensor module's temperature has exceeded the sensor's maximum safe operating
range.
Recommended actions
6.2.7 Supply Voltage Low
The supply voltage is low and may soon affect broadcast updates.
Recommended action
Replace the power module.
6.2.8 Database Storage Error
The device has failed to write to the database memory. Any data written during this time
may have been lost.
Recommended actions
162
1. Verify gas type and range.
2. Verify that the correct sensor is installed for the gas type.
3. Reconfirm sensor configuration.
4. Reset the device by removing and reinstalling the power module.
5. Replace the sensor module.
1. Verify that the environmental temperature is within the sensor's range.
2. If possible, mount the transmitter in an area with suitable environmental
conditions. Refer to Table
3. Reset the device by removing and reinstalling the power module.
4. If the condition persists, replace the sensor module.
1. Reset the device by removing and reinstalling the power module.
2. If logging dynamic data is not needed, the advisory can be safely ignored.
3-1.
Reference Manual
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