Siemens SITRANS 7MF03.0 - Page 14

ID Symbols Message Cause/Remedy
A7 Event counter 2
Number overruns above
threshold
Maintenance 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.
A8 Event counter 2
Number underruns above
threshold
Process value alarm
The number of underruns of the process value (set in parameters "Lower
limit" and "Monitored value") has reached the threshold.
Reset and acknowledge event counter.
Check process conditions.
Check limit monitoring and event counter settings.
A9 Event counter 2
Number underruns above
threshold
Maintenance required
The number of underruns of the process value (set in parameters "Lower
limit" and "Monitored value") has reached the threshold.
Reset and acknowledge event counter.
Check process conditions.
Check limit monitoring and event counter settings.
AA Device lifetime: Mainte‐
nance demanded
Forthcoming end of con󹪝gured device's lifetime.
Maintenance is strongly recommended as soon as possible.
Ab Device lifetime: Mainte‐
nance required

Forthcoming end of con󹪝gured device's lifetime.
Maintenance of device should be planned.
AC Sensor lifetime: Mainte‐
nance demanded
Forthcoming end of con󹪝gured sensor's lifetime.
Maintenance is strongly recommended as soon as possible.
Ad Sensor lifetime: Mainte‐
nance required
Forthcoming end of con󹪝gured sensor's lifetime.
Maintenance of device should be planned.
AE Service: Maintenance de‐
manded
Forthcoming end of the con󹪝gured service interval.
Maintenance is strongly recommended as soon as possible.
AF Service: Maintenance re‐
quired
Forthcoming end of the con󹪝gured service interval.
Maintenance of device should be planned.
Diagnostics and troubleshooting
4.1Diagnostic messages
SITRANS P320/P420
14 Service Manual, 11/2023, A5E44914141-AC