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In general the occurrence of transient faults is no problem for the proper operation of the
active filter. Only when an error becomes 'critical', a problem may exist.
If 'ACK. FAULT' is present on the PQF-Manager display, look at the 'Armed' indicator (By
default mapped to the 4
will restart automatically after clearance of the problem or not.
'Armed' indicator ON: The filter waits for the problem to disappear and then restarts
automatically (unless the user acknowledges the fault).
'Armed' indicator OFF: The filter is permanently stopped and the customer has to solve
the problem, acknowledge the fault and restart the filter manually.
11.3 Spare part list for normal and dedicated filter servicing
A standard set of spare parts for the PQFS filter is shown in
Ref.
1
3
4
5
6
7
8
11.4 Troubleshooting guide
11.4.1
Verification of the PQF-Manager status and the system LEDs
As a first phase of troubleshooting make a record of the information provided by the PQF-
Manager:
When the filter cover is removed and power is supplied again to the filter, the status of the
control card LEDs can be monitored.
th
digital output of the PQF-Manager) to know whether the filter
Table 54: Standard set of spare parts for normal and dedicated filter servicing
Description
Spare fuses for auxiliary circuit
Fan kit for units
PQF-Manager filter controller
PQF control board for master unit
PQF control board for slave unit
Kit flat cable
Power supply 24V 100W
· 'ACK. FAULT' message present of not
· Filter event log information messages
· Alarm horn on or not?
· Status of the digital output contact monitor
The most recent messages are shown first in the event log.
Refer to
Table 57
and
the corresponding troubleshooting tips. Note that for troubleshooting it may be
necessary to remove the filter protective cover. Always remove power to the units
and allow time for the DC capacitors to discharge (min. 25 mins) before removing
the filter cover.
· Main controller board LEDs:
Figure 19
(items 18 and 19) can be used to locate the main controller board
LEDs
Table 12
(items 18 and 19) explains the meaning of the LEDs and their status
for normal operation
Order code
2GCA100465A0420
2GCA291064A0075
2GCA291950A0075
2GCA292284A0075
2GCA292285A0075
2GCA291951A0075
2GCA109046A0530
Table 58
for an overview of the possible messages and
Manual Power Quality Filter PQFS ç Troubleshooting guide 153
Table
54.
Recommended
quantity
3
1
1
1
1
1
1
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Table of Contents
Troubleshooting
