Diagnosis and troubleshooting
03.99
6SE7087-6NX84-0GB0
Siemens AG
6-6
Operating Instructions
SIMOVERT MASTERDRIVES
LED
Status
Diagnostic information CC-Link
ERRLED
Flashing
CBL detects data communication errors (CRC
error) at data transmission!
Check:
•
Shield connection of the cable at housing of
CU and at all CC-Link stations (EMC
faults!)
•
Check cable length of CC-Link bus
according to the data transmission rate!
Table 6-15
Fault display during operation: CRC error at CC-Link
Case 10
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