Troubleshooting; Fault Diagnosis With Leds - Siemens SINAMICS G150 Operating Manual

Diagnosis / Faults and Alarms
10.2

Troubleshooting

This section describes procedures for identifying the causes of problems and the
measures you need to take to rectify them.
NOTE
If errors or malfunctions occur in the cabinet unit, you must carefully check the possible
causes and take the necessary steps to rectify them. If you cannot identify the cause of the
problem or you discover that components are defective, your regional office or sales office
should contact Siemens Service and describe the problem in more detail.
10.2.1

Fault Diagnosis with LEDs

Control Unit CU 320 (-A10)
Table 10-1 Description of the LEDs
LED Color
---
Green
RDY
Red
(ready)
Green
Red
Orange
---
DP1
Green
(PROFIBUS
cyclic
operation)
Red
10-2
State
OFF Electronics power supply out of permissible
tolerance range
Continuously lit Control unit 320 is ready for operation
Flashing 2 Hz Writing to CompactFlash Card
Continuously lit At least one fault is present (e.g. RESET,
watchdog monitoring, basic system error).
Control unit 320 is booting
Flashing 0.5 Hz Boot error (e.g. firmware cannot be loaded to
the RAM)
Flashing 0.5 Hz Control unit 320 is ready for operation
No software licenses for the device
Continuously lit Firmware loading to RAM
Flashing 0.5 Hz Unable to load firmware to RAM
Flashing 2 Hz Firmware CRC error
OFF Electronics power supply outside the
permissible tolerance range
Control unit 320 is not ready for operation
No Option Board
Continuously lit PROFIBUS is ready for communication and
cyclic communication is taking place
Flashing 0.5 Hz PROFIBUS is ready for communication and
cyclic communication is not taking place
Continuously lit Cyclic communication has been interrupted.
11/03
Description
SINAMICS G150
Operating Manual