Emerson Micro Motion 5700 Configuration And Use Manual page 217

Table 15-3: Status alerts, causes, and recommendations
Alert
Sensor Failed
Configuration and Use Manual
Name Cause
Watchdog Error The watchdog timer has
expired.
[003] Sensor Failed The pickoff amplitude is
too low.
[016] Sensor Tem- The value computed for
perature (RTD) Fail- the resistance of the line
ure RTD is outside limits
[017] Sensor Case The values computed for
Temperature (RTD) the resistance of the me-
Failure ter and case RTDs are out-
side limits
(continued)
Conditions
Recommended actions
• Reboot or power-cycle the transmitter
to see if the alert clears.
• If the alert persists, replace the trans-
mitter.
• Check the drive gain and the pickoff
voltage.
• Check the wiring between the sensor
and the transmitter.
• Check the sensor coils for electrical
shorts. If you find problems, replace
the sensor.
• Check the integrity of the sensor
tubes.
• Ensure that the sensor is completely
full or completely empty.
• Replace the sensor.
• Contact customer service.
• Check the wiring between the sensor
and the transmitter.
• Check your process conditions against
the values reported by the device.
• Check the sensor coils for electrical
shorts. If you find problems, replace
the sensor.
• Check the feedthrough pins. Contact
customer service for assistance. If you
find problems, replace the sensor.
• Check the core processor housing for
moisture, corrosion, or verdigris.
• Contact customer service.
• Check the wiring between the sensor
and the transmitter.
• Check your process conditions against
the values reported by the device.
• Contact customer service.
Troubleshooting
209