14
Infrasuite Power Management
No. Item Description
7
Test
LED
Green. If you press the test button, the STS will be under
test and the Test LED will ash (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 ash
(on: 0.5s; off: 0.5s). Via the NETWORK port, fault messages
will be sent to a connected PC. From the PC, you can see
error codes as follows.
Environmental Fault
Error Code Meaning
E01 Output overload
E02
Over temperature (due to detection of
ambient temperature)
E03
Over temperature warning (due to
detection of S1 heat-sink temperature)
E04
Over temperature warning (due to
detection of S2 heat-sink temperature)
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
E27 Input SCR of S2 is open
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