Siemens SITRANS 7MF03.0 - 4 Diagnostics and troubleshooting; 4.1 Diagnostic messages

Diagnostics and troubleshooting
4
4.1 Diagnostic messages
The following table shows the IDs of diagnostic messages and possible causes and instructions
for corrective actions.
Depending on the communication and con󹪝guration of your device, certain diagnostic
messages are not applicable.
ID Symbols Message Cause/Remedy
A0 Event counter 1
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.
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A1 Event counter 1
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.
A2 Event counter 1
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.
A3 Event counter 1
Number underruns above
threshold
Maintenance 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.
A4 Event counter 2
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.
A6 Event counter 2
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.
SITRANS P320/P420
Service Manual, 11/2023, A5E44914141-AC 13