Siemens SINAMICS S120 Manual page 207

LED Color
Orange
OUT>5 V -
Orange
MOD -
AC Drive
Manual, (GH6), 07/2007 Edition, 6SL3097-2AL00-0BP2
Status
Flashing Firmware CRC error.
2 Hz
off Electronics power supply is missing or outside
permissible tolerance range.
Power supply v5 V
Continuous Electronics power supply for measuring system
available.
Power supply >5 V.
Important:
Make sure that the connected encoder can be
operated with a 24 V power supply. If an encoder
that is designed for a 5 V supply is operated with a
24 V supply, this can destroy the encoder
electronics.
off Reserved
6.3 Control Unit CU310 PN (PROFINET)
Description, cause
Control Units
Remedy
Make sure that the
CompactFlash card
has been inserted
properly.
Replace the
CompactFlash Card.
Replace Control Unit.
Carry-out a POWER
ON.
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207