F1K5-DISS – User’s Manual
15
Color
Action
Meaning
ORANGE
Blinking, LONG interval
Ready, not sinking any current, high temperature
RED
Solid
Error condition
RED
,
GREEN
,
ORANGE
,
OFF
Blinking in circular fashion
Firmware Update mode
Table 3
– Front-panel LED behaviour
Status LED in green indicates the module is connected properly and fully
operational. Solid red at power-on means that wrong FAST-PS-1K5 was detected.
LED will flash orange to indicate warnings; the module is sinking current when
flashing interval is short, warning may be for the following reasons: high power, high
temperature or fan malfunction. When interval is long the module is not active, warning
indicates fan malfunction or high temperature of the module caused by just finished
power dissipation.
Solid red is reserved for major errors: thermal overload, too high input current,
too high input power or hardware failure. In all this cases dissipation unit reports error
to FAST-PS-1K5 which then disables its output and activates crowbar function to
prevent potential or further damage.
When in firmware update mode LED will be changing colours. FAST-PS-1K5
will automatically disable its output.
