204 Troubleshooting guide Manual Power Quality Filter PQFS
Verify the fuses (PF1 and
PF2) and the resistors (R1
and R2) of the preload
circuit (A001).
− Inspect the DC-bus for
traces of damage that
may have caused a short
circuit on the DC-side of
the IGBT-module or on
the DC voltage
measurement board.
filter system have the
same CAN_ID.
− Check the CAN_ID of the
different units in the set
of filters: each unit has to
have one unique CAN_ID
on the DIP switch S5-1 to
S5-3.
− Reset the filter by
switching off and on the
power. If the problem
persists, contact your
ABB representative. The
controller card must
probably be replaced.
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