Siemens SITRANS Series Operating Instructions Manual page 185

ID Symbols Message
A9 Event counter 2
Number underruns above
threshold
Maintenance required
AA Device lifetime: Mainte‐
nance demanded
Ab Device lifetime: Mainte‐
nance required
AC Sensor lifetime: Mainte‐
nance demanded
AD Sensor lifetime: Mainte‐
nance required
AE Service: Maintenance de‐
manded
AF Service: Maintenance re‐
quired
AG Calibration: Maintenance
demanded
AH Calibration: Maintenance
required
SITRANS P320/P420 (mA/HART)
Operating Instructions, 06/2018, A5E44852162-AA
Cause/Remedy
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.
Forthcoming end of configured device's lifetime.
Maintenance is strongly recommended as soon as possible.
Forthcoming end of configured device's lifetime.
Maintenance of device should be planned.
Forthcoming end of configured sensor's lifetime.
Maintenance is strongly recommended as soon as possible.
Forthcoming end of configured sensor's lifetime.
Maintenance of device should be planned.
Forthcoming end of the configured service interval.
Maintenance is strongly recommended as soon as possible.
Forthcoming end of the configured service interval.
Maintenance of device should be planned.
Forthcoming end of the calibration interval.
Maintenance is strongly recommended as soon as possible.
Forthcoming end of the calibration interval.
Maintenance of device should be planned.
Diagnostics and troubleshooting
12.2 Diagnostic messages
185