ABB PQFM Instruction Manual page 189

WARNING: In case the filter stops operating due to a fault, very high voltages may be
present on the DC capacitors for a long time. Do not touch any live parts unless you
have ascertained that no dangerous voltage levels exist in the filter.
- If the filter when activating the stop menu displays a message to indicate that it is
remote control mode, the filter either has to be stopped by remote control or the
remote control mode has to be deactivated. More information about the remote
control functionality is given in
- If the hardware lock and/or the Communication lock has/have been engaged, the
filter cannot be started nor stopped neither by the local button nor by remote
control. In order to see which lock(s) has/have been engaged push
'start/stop' menu is highlighted. A message will appear to indicate which lock(s)
has/have to be disengaged. If authorized, disengage the relevant lock.
· The hardware lock can be disengaged by pushing the blue button present at
the bottom rear of the PQF-Manager. More information on the filter menu
locking facilities is given in
· The Communication lock can be engaged in the menu [/Welcome/User
interface/Communication] by ticking the "check box". More information on
the Communication lock is available in the document "2GCS212013A0050-
RS-485 Installation and Start-up guide".
The stop sequence conducted when a stop command is given can be derived from the
following flow chart.
Section 6.12.1 and Section
Section 7.6.
Manual Power Quality Filter PQFM ç Operating instructions 189
7.9.1.4.
when the