SD450 - DEVICENET POWER ELECTRONICS
26
FAULT DIAGNOSIS
6.2. MS Led (Module Status)
LED Status Cause Diagnostic
OFF
Off-Line
(no power)
5V power supply is not
applied to the DeviceNet
board.
Check the incoming power to inverter is
provided.
Solid
Green
Operational Normal operation state.
Solid
Red
Unrecovera
ble fault
Data transaction through
DPRAM is disrupted.
Check the connection between DeviceNet
board and inverter.
Flashing
Green and
Red
Self-test
Device is in self-test
mode.