Siemens SIMOVERT MASTERDRIVES Operating Instructions Manual page 62

Diagnosis and troubleshooting
Case 5
Case 6
6-4
LED Status
Red Flashing
Yellow Continuously lit
Green Continuously lit
Table 6-8 Display during operation: CBL fetches scaling parameters
LED Status
Red Flashing
Yellow Flashing
Green OFF
Table 6-9 Display during operation: CC-Link initialized
Now it is assumed that the CBL-LEDs red and yellow are synchronous
flashing.
LED Status
RDLED OFF
SDLED OFF
RUNLED OFF
ERRLED OFF
Table 6-10 Fault display during operation: No carrier detected
Diagnostic information CBL
CBL is fetching the scaling parameters from
CU.
CBL will stay in this status for some seconds. It
depends on the configuration. If an tech board
is plugged, it takes some more time.
If CBL don't leave this status look for alarm
messages A081...A086.
Check:
•
CB-Parameter P715...P718
•
Parameters which are selected by
P715...P718
•
Tech board and CU
Diagnostic information CBL
CBL now parameterized and has fetched the
scaling parameters. The CC-Link interface is
initialized.
Check CC-Link interface LEDs
Diagnostic information CC-Link
CBL detects no carrier at CC-Link (signal
edges not detected);
check connection to CC-Link
Check the connector, correct connection of
signals DA, DB, DG and SLD (at CBL and CC-
Link master)
6SE7087-6NX84-0GB0
Operating Instructions SIMOVERT MASTERDRIVES
03.99
Siemens AG