Endress+Hauser iTEMP TMT71 - Overview of Diagnostic Events

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iTEMP TMT71/72 Diagnostics and troubleshooting
9.6 Overview of diagnostic events
Each diagnostic event is assigned a certain event behavior at the factory. The user can
change this assignment for certain diagnostic events.
Example:
Settings Device behavior
Configuration examples Diagnostic
number
Status
signal
Diagnostic
behavior from
the factory
Status signal
(output via HART®
communication)
Current PV, status Display
output
1. Default setting 047 S Warning S Measured
value
Measured value, S047
UNCERTAIN
2. Manual setting: status
signal S changed to F
3. Manual setting: Warning
diagnostic behavior changed
to Alarm
4. Manual setting: Warning
changed to Disabled
1) Setting is not relevant.
047 F Warning F Measured
value
047 S Alarm S Configured
failure
current
047 S
1)
Disabled -
2)
Last valid
measured
value
3)
Measured value,
UNCERTAIN
Measured value,
BAD
Last valid
measured value,
GOOD
F047
S047
S047
2) Status signal is not displayed.
3) The failure current is output if no valid measured value is available.
Diagnostic
number
Short text Corrective measure
Status
signal
from the
factory
Customizable
1)
Not
customizable
Diagnosti
c
behavior
from the
factory
Customizable
2)
Not
customizable
Diagnostics for the sensor
41 Sensor interrupted 1. Check electrical wiring.
2. Replace sensor.
3. Check connection type.
42 Sensor corroded 1. Check sensor.
2. Replace sensor.
43 Short-circuit 1. Check electrical connection.
2. Check sensor.
3. Replace sensor or cable.
047 Sensor limit reached sensor n 1. Check sensor.
2. Check process conditions.
145 Compensation reference point 1. Check terminal temperature.
2. Check external reference point.
Diagnostics for the electronics
201 Electronics faulty 1. Restart device.
2. Replace electronics.
F Alarm
M Warning
F Alarm
S Warning
F Alarm
F Alarm
221 Reference sensor defective Replace device. M Alarm
Diagnostics for the configuration
401 Factory reset active Factory reset active, please wait. C Warning
Endress+Hauser V. 1, Rev. 2, 4-10-2018 39