Alarm and Faults
11.4List 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
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
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
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
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.
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Table 9 |
| Event Messages |
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ID |
| Alarm Message | Description/Cause | Action |
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001 | S1 | SCR SHORT | One or more of the SCRs for Source 1 have shorted and | D, F, A, E |
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| failed. |
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002 | S2 | SCR SHORT | One or more of the SCRs for Source 2 have shorted and | D, F, A, E |
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| failed. |
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003 | S1 | SCR OPEN | One or more of the SCRs for Source 1 is open. | D, F, A, E |
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004 | S2 | SCR OPEN | One or more of the SCRs for Source 2 is open. | D, F, A, E |
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005 | PRIMARY FAN FAIL | A primary cooling fan has failed and the unit is now being | D, A, E | |
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006 | CONTROL MODULE FAIL | Control logic module has failed. | D, A, E | |
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007 | PWR SPLY DC A FAIL | Power supply DC bus A has failed. | D, A, E | |
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008 | PWR SPLY DC B FAIL | Power supply DC bus B has failed. | D, A, E | |
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009 | PWR SPLY S1 AC FAIL | Power supply Source 1 AC has failed. | D, A, E | |
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010 | PWR SPLY S2 AC FAIL | Power supply Source 2 AC has failed. | D, A, E | |
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011 | PWR SPLY LOGIC FAIL | A power supply module has failed. | D, A, E | |
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012 | OUT VOLT SENSE FAIL | The output volt sense module failed | D, A, E | |
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013 | S1 | VOLT SENSE FAIL | The Source 1 volt sense module failed. | D, A, E |
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014 | S2 | VOLT SENSE FAIL | The Source 2 volt sense module failed. | D, A, E |
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015 | S1 SCR SENSE FAIL | The Source 1 SCR sense module failed. | D, A, E | |
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016 | S2 SCR SENSE FAIL | The Source 2 SCR sense module failed. | D, A, E | |
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017 | S1 | CURR SENSE FAIL | The Source 1 SCR current module failed. | D, A, E |
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018 | S2 | CURR SENSE FAIL | The Source 2 SCR current module failed. | D, A, E |
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019 | S1 | GATE DRIVE FAIL | The Source 1 gate drive module failed. | D, A, E |
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020 | S2 | GATE DRIVE FAIL | The Source 2 gate drive module failed. | D, A, E |
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021 | INTERNAL COMM FAIL | Internal CAN communications failed. | D, A, E | |
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022 | EXTERNAL COMM FAIL | Options CAN communications failed. | A, E | |
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023 | CB1 SHUNT TRIP FAIL | CB1 shunt trip failed. | A, E | |
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74
