Siemens SITRANS P Operating Instructions Manual page 193

ID Symbols Message
A9 Event counter 2
Number underruns above
threshold
Maintenance required
AA Device lifetime: Maintenance
demanded
Ab Device lifetime: Maintenance
required
AC Sensor lifetime: Maintenance
demanded
Ad Sensor lifetime: Maintenance
required
AE Service: Maintenance deman‐
ded
AF Service: Maintenance required
AG Calibration: Maintenance de‐
manded
AH Calibration: Maintenance re‐
quired
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
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
193