Operating Instructions

iTEMP TMT72 Diagnostics and troubleshooting
Endress+Hauser 39
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
output
PV, status Display
1. Default setting 047 S Warning S Measured
value
Measured value,
UNCERTAIN
S047
2. Manual setting: status
signal S changed to F
047 F Warning F Measured
value
Measured value,
UNCERTAIN
F047
3. Manual setting: Warning
diagnostic behavior changed
to Alarm
047 S Alarm S Configured
failure
current
Measured value,
BAD
S047
4. Manual setting: Warning
changed to Disabled
047 S
1)
Disabled -
2)
Last valid
measured
value
3)
Last valid
measured value,
GOOD
S047
1) Setting is not relevant.
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)
Diagnosti
c
behavior
from the
factory
Customizable
2)
Not
customizable
Not
customizable
Diagnostics for the sensor
041 Sensor interrupted 1. Check electrical wiring.
2. Replace sensor.
3. Check connection type.
F Alarm
042 Sensor corroded 1. Check sensor.
2. Replace sensor.
M Warning
043 Short-circuit 1. Check electrical connection.
2. Check sensor.
3. Replace sensor or cable.
F Alarm
047 Sensor limit reached sensor n 1. Check sensor.
2. Check process conditions.
S Warning
145 Compensation reference point 1. Check terminal temperature.
2. Check external reference point.
F Alarm
Diagnostics for the electronics
201 Electronics faulty 1. Restart device.
2. Replace electronics.
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