Table 9 Event Messages; List Of Messages; Table 9 Table; Event Messages - Liebert POWER PROTECTION STATIC TRANSFER SWITCH User Manual

11.4

List of Messages

Table 9 lists available event messages, a definition of the event, and the functions that are activated
with the event by default. The functions are indicated as follows:
D — The indicated event initiates the Auto-Dial sequence through the optional modem.
A — The indicated event activates the Audible alarm.
F — The indicated event triggers a Freeze of the History Log.
L — The indicated event Latches. A latched alarm remains displayed until the alarm condition
has cleared and the RESET (ALRMRST) button has been pressed.
E — By default, all faults and alarms are written to the Event Log. Changing this setting is only
available for the LED units and is set through the RS-232 port. See Setting Event Masks with
the Terminal on page 83
All of these functions, except Freeze, can be reconfigured to trigger for each event, using the Event
Mask option. See 11.1 - Event Mask on page 71. The Freeze function is hard-coded and cannot be
changed for a event.
If the front panel of your STS2 contains LEDs and push buttons instead of the touch screen interface,
you can view these messages via the RS-232 port. See 12.1.1 - Connecting and Using a
Terminal on page 77 for the commands to view the event messages on a PC terminal.
An LED is used to indicate the presence of any active fault or alarm. Refer to 14.0 - Operating the
LED Display STS2 for more information about the LEDs.
.
Table 9

Event Messages

ID Alarm Message
001 S1 SCR SHORT
002 S2 SCR SHORT
003 S1 SCR OPEN
004 S2 SCR OPEN
005 PRIMARY FAN FAIL
006 CONTROL MODULE FAIL
007 PWR SPLY DC A FAIL
008 PWR SPLY DC B FAIL
009 PWR SPLY S1 AC FAIL
010 PWR SPLY S2 AC FAIL
011 PWR SPLY LOGIC FAIL
012 OUT VOLT SENSE FAIL
013 S1 VOLT SENSE FAIL
014 S2 VOLT SENSE FAIL
015 S1 SCR SENSE FAIL
016 S2 SCR SENSE FAIL
017 S1 CURR SENSE FAIL
018 S2 CURR SENSE FAIL
019 S1 GATE DRIVE FAIL
020 S2 GATE DRIVE FAIL
021 INTERNAL COMM FAIL
022 EXTERNAL COMM FAIL
023 CB1 SHUNT TRIP FAIL
Description/Cause
One or more of the SCRs for Source 1 have shorted and
failed.
One or more of the SCRs for Source 2 have shorted and
failed.
One or more of the SCRs for Source 1 is open.
One or more of the SCRs for Source 2 is open.
A primary cooling fan has failed and the unit is now being
cooled by a secondary fan, which is not monitored.
Control logic module has failed.
Power supply DC bus A has failed.
Power supply DC bus B has failed.
Power supply Source 1 AC has failed.
Power supply Source 2 AC has failed.
A power supply module has failed.
The output volt sense module failed
The Source 1 volt sense module failed.
The Source 2 volt sense module failed.
The Source 1 SCR sense module failed.
The Source 2 SCR sense module failed.
The Source 1 SCR current module failed.
The Source 2 SCR current module failed.
The Source 1 gate drive module failed.
The Source 2 gate drive module failed.
Internal CAN communications failed.
Options CAN communications failed.
CB1 shunt trip failed.
74
Alarm and Faults
Action
D, F, A, E
D, F, A, E
D, F, A, E
D, F, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
D, A, E
A, E
A, E