128 The PQF-Manager user interface Manual Power Quality Filter PQFS
In practice the word ‘Critical’ will appear in the ‘Event logging’ window if the
system has detected a critical error. The user can then backtrack in the logging
window to see which errors were already present in the previous events, to know
which is/are the critical error(s).
7.10.4 The ‘Active warnings’ menu
The ‘Active warnings’ menu is constantly updated by the system. It shows at any time
the warning conditions set up by the customer that are met. For more information on
setting up the programmable warnings, refer to Section 7.9.1.4 and the list of possible
warning in the detailed manuals.
Table 51 shows an overview of the warning messages that will be displayed and the
corresponding warning condition.
For multi-master filters, this data can be obtained for each individual unit.
Table 51: Warning messages that can be displayed by the PQF-Manager and corresponding
warning conditions
Warning message displayed
Supply voltage (RMS) higher than preset value
Supply voltage (RMS) lower than preset value
Supply voltage imbalance higher than preset
value
Unbalanced supply
PQF IGBT temperature higher than preset value
PQF control board temperature higher than
preset value
Ctrl over temperature
7.10.5 The ‘Number of errors’ menu
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