Siemens SITRANS 7MF03.0 - Page 15

ID Symbols Message Cause/Remedy
AG Calibration: Maintenance
demanded
Forthcoming end of the calibration interval.
Maintenance is strongly recommended as soon as possible.
AH Calibration: Maintenance
required
Forthcoming end of the calibration interval.
Maintenance of device should be planned.
AJ Limit monitoring 1
Above limit
Process value alarm
Monitored value is above limit (set in parameter "Upper limit").

AL Limit monitoring 1
Below limit
Process value alarm
Monitored value is below limit (set in parameter "Lower limit").

An Limit monitoring 2
Above limit
Process value alarm
Monitored value is above limit (set in parameter "Upper limit").

Ao Limit monitoring 2
Below limit
Process value alarm
Monitored value is below limit (set in parameter "Lower limit").

AU Event counter 1
Number overruns above
threshold
Process value alarm
The number of overruns of the process value (set in parameters "Upper limit"
and "Monitored value") has reached the threshold.
Reset and acknowledge event counter.
Check process conditions.
Check limit monitoring and event counter settings.
AY Event counter 1
Number overruns above
threshold
Maintenance required
The number of overruns of the process value (set in parameters "Upper limit"
and "Monitored value") has reached the threshold.
Reset and acknowledge event counter.
Check process conditions.
Check limit monitoring and event counter settings.
bE Out of service
Maintenance alarm
Output signal does not represent process value.
A 󹪝rmware update has failed.
Repeat the 󹪝rmware update.
Diagnostics and troubleshooting
4.1Diagnostic messages
SITRANS P320/P420
Service Manual, 11/2023, A5E44914141-AC 15