Manual
KVCG202/EN M/H
9.8 Problem solving
Should any of the relay‘s functions are found to be faulty it is recommended that the
complete relay is returned to the General Electric factory or local service agency.
9.8.1 Password lost or not accepted
Relays are supplied with the password set to AAAA.
Only uppercase letters are accepted.
Password can be changed by the user, see Chapter 3, Chapter 3.4.7.
There is an additional unique recovery password associated with the relay which can be
supplied by the factory, or service agent, if given details of its serial number.
The serial number will be found in the system data column of the menu and should
correspond to the number on the label at the top right hand corner of the front plate of the
relay. If they differ, quote the one in the system data column.
9.8.2 Software link settings
The following functions will not work unless appropriate links are set. These links apply
to both group 1 and group 2. Password will need to be entered to set any links.
9.8.2.1 System links
Set function link [0003 SD Links] link 1 to ‘1’ to enable remote control.
Set function link [0003 SD Links] link 2 to ‘1’ to enable remote load shed/boost.
Set function link [0003 SD Links] link 3 to ‘1’ to enable remote change to group
2 setting.
Set function link [0003 SD Links] link 4 to ‘1’ to enable group 2 settings: 0=hidden.
Set function link [0003 SD Links] link 5 to ‘1’ to hold group 2 setting.
Set function link [0003 SD Links] link 6 to ‘1’ to enable reverse current to select group 2
setting.
Set function link [0003 SD Links] link 7 to ‘1’ to enable logic changes in event records.
Set function link [0003 SD Links] link 9 to ‘1’ to enable use of external TPI voltage supply.
9.8.2.2 Control links
For Group 1 settings:
Set function link [0301 CTL Links] link 1 to ‘1’ to select inverse time delay.
For Group 2 settings:
Group 2 CTL functional links are set in cell location [0501].
9.8.2.3 Logic links
For Group 1 settings:
Set function link [0401 LOG Links] link 1 to ‘1’ to block outside deadband for maximum
time.
Set function link [0401 LOG Links] link 2 to ‘1’ to block for excessive circulating current.
Set function link [0401 LOG Links] link 3 to ‘1’ to block for excessive load current.
Set function link [0401 LOG Links] link 4 to ‘1’ to block for excessive number of
operations.
Set function link [0401 LOG Links] link 5 to ‘1’ to block for frequent operation.
Set function link [0401 LOG Links] link 6 to ‘1’ to block operation for reverse current flow.
Set function link [0401 LOG Links] link 7 to ‘1’ to block for tap change runaway.
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