12
InfraSuite Power Management
No.
Item
Description
5
O/P
LED
Green. The LED indicates the output condition (voltage is >
60Vac). If there is output, the LED will light up as green. If not,
the LED will be off.
6
Test
Button
Use this button to test the STS. Press the button, the STS will
transfer to the 2
nd
source for 1 minute and then transfer back to
the original preferred source.
7
Test
LED
Green. If you press the test button, the STS will be on test and
the Test LED will flash (on: 0.5s; off: 0.5s). In normal operation,
the LED will be off.
8
Fault
LED
Red. If the STS has any internal fault, the LED will light up as
red. If the STS has any environmental fault, the LED will flash
(on: 0.5s; off: 0.5s). Via the rear panel’s
NETWORK
port, fault
messages will be sent to a connected PC. From the PC, you can
see error codes as follows
Internal Fault
Error Code
Meaning
E11
Over temperature (due to detection of S1
heat-sink temperature)
E12
Over temperature (due to detection of S2
heat-sink temperature)
E13
Auxiliary power 1 circuit failure
E14
Auxiliary power 2 circuit failure
E21
Input relay of S1 is open
E22
Input relay of S1 is short
E23
Input relay of S2 is open
E24
Input relay of S2 is short
E25
Input SCR of S1 is open
E26
Input SCR of S1 is short
E27
Input SCR of S2 is open
E28
Input SCR of S2 is short
