ABB PQFS Installation, Operation And Maintenance Instructions page 203

Remark:
If the problem persists, contact your ABB service provider. Provide him with all the relevant
information, i.e. Filter serial number and type, status of the control LEDs, Error messages
displayed and filter behavior.
Table 61: Fault messages reported by the µcontroller of the filter and troubleshooting tips
Fault message
Com. Problem (RS-232)
Ctrl overtemperature
Reactor
overtemperature
PWM check cooling
DSP watchdog
SPI Timeout
Power supply fault
Preload time-out
Cause
Communication problem
between the main
controller board and the
external PC
The system detected an
overtemperature of the
main controller board.
Line reactor thermal
switch has open
The thermal switch in the
PWM reactor has open
Internal system error.
Internal system error.
The DC capacitors could
not be charged.
Manual Power Quality Filter PQFS  Troubleshooting guide 203
(P6-1 to and P6-4) for loose
connections and component
damage.
−
Check the connections
between the auxiliary fuses
and the AC voltage
measurement connectors
(P6-1 to and P6-4).
What to do
−
Ensure that the PQ-Link
cable is properly
connected.
−
Contact your ABB service
provider.
−
Verify the ambient
temperature and the
cooling of the filter (dust
filters, fans, heatsinks ...).
−
If the ambient conditions
and the filter cooling is
ok, the main control
board is suspect. Contact
your ABB service provider.
The main control board
may have to be replaced.
Check the status of the reactors and
the PCB output filter
Check the "fan out" status
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 or the controller software
upgraded.
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.
−
Measure the three line
voltages and check if they
are within limits.