Emerson Rosemount X-well 648 Reference Manual page 65

Reference Manual
00809-0200-4648, Rev BB
Table 6-2. Rosemount 648 Wireless Troubleshooting
Symptom Potential source
Sensor input failure or connection
High output
temperature
detected
Electronics module
Digital Wiring
temperature
output is
erratic
Electronics module
Sensor element
Low output or
no output
Electronics module
Table 6-3. LCD Display Troubleshooting
Symptom Potential source
Electronic module
LCD display not Connector
operating
LCD display
Table 6-4. Wireless Network Troubleshooting
Symptom Recommended action
1. Verify network ID and join key.
2. Verify network is in active network advertise.
3. Wait longer (30 minutes).
4. Check power module.
Device not joining
the network 5. Verify device is within range of at least one other device.
6. Power cycle device to try again.
7. Verify device is configured to join. Ensure the Join Mode is configured to "Join on Powerup or
8. See troubleshooting section of Smart Wireless Gateway for more information.
1. Check that "Power Always On" mode is off.
2. Verify device is not installed in extreme temperatures.
Short battery life
3. Verify device is not a network pinch point.
4. Check for excessive network rejoins due to poor connectivity.
1. Reduce the update rate on transmitter.
2. Increase communication paths by adding more wireless points.
Limited bandwidth 3. Check that device has been on line for at least an hour.
error
4. Check that device is not routing through a "limited" routing node.
5. Create a new network with an additional Smart Wireless Gateway.
Troubleshooting
Reset".
Recommended action
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.
1. Check sensor wiring integrity at all junctions to ensure
proper connections.
1. Connect a Field Communicator and enter the transmitter
test mode to isolate module failure.
1. Connect a Field Communicator and enter the transmitter
test mode to isolate a sensor failure.
2. Check the process variable to see if it is out of range.
1. Connect a Field Communicator and check the sensor limits to
ensure calibration adjustments are within the sensor range.
2. Connect a Field Communicator and enter the transmitter
test mode to isolate an electronics module failure.
Recommended action
Make sure the LCD display in enabled
Make sure the LCD display pins are not bent
Make sure the LCD display is properly seated with the tabs
snapped in place and fully engaged
Troubleshooting
July 2016
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