Diagnosis and troubleshooting
03.99
6SE7087-6NX84-0GB0
Siemens AG
6-4
Operating Instructions
SIMOVERT MASTERDRIVES
LED
Status
Diagnostic information CBL
Red
Flashing
Yellow
Continuously lit
Green
Continuously lit
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
Table 6-8
Display during operation: CBL fetches scaling parameters
LED
Status
Diagnostic information CBL
Red
Flashing
Yellow
Flashing
Green
OFF
CBL now parameterized and has fetched the
scaling parameters. The CC-Link interface is
initialized.
Check CC-Link interface LEDs
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
Diagnostic information CC-Link
RDLED
OFF
SDLED
OFF
RUNLED
OFF
ERRLED
OFF
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)
Table 6-10
Fault display during operation: No carrier detected
Case 5
Case 6
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