Trouble-Shooting; Errors And Warnings - Endress+Hauser Thermophant T TTR31 Operating Manual

TTR31, TTR35
7

Trouble-shooting

7. 1 Errors and warnings

If an error in the device occurs, the colour of the status LED changes from green to red and the
digital display illumination changes from white to red. The display shows:
• E-code for errors
In the event of an error message, the measured value is uncertain.
• W-code for warnings
In the event of a warning, the measured value is reliable.
Code
E011
E012
E015
E019
E020
E021
E022
E025
E026
E040
E042
E044
Code
W107
W202
Endress+Hauser
Explanation
Device configuration faulty
Error in measurement or underreach/overreach
Error in EEPROM
Power supply has undervoltage/overvoltage
Error in Flash
Error in RAM
USB supply voltage
Switching contact 1 is not open although it should be
Switching contact 2 is not open although it should be
VCC (Controller voltage) is out of working area
Output current cannot be generated (e. g. output is not connected,
unloaded)
Output current drifts too much (± 0.5 mA)
Explanation
Simulation active
Temperature outside the sensor range
Trouble-shooting
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