![background image](http://html1.mh-extra.com/html/sick/flexlock/flexlock_operating-instructions-manual_1264596035.webp)
Table 11:
3
LED DIAG
Display
Status
O
Yellow
No valid signal at IN 1 and IN 2
Ö
Red
Ö
Yellow
Ö
Ö
Red/yellow
Meaning depends on what the other LEDs are displaying.
Further topics
•
"Indications when teaching in an actuator", page 35
•
"Status indications during operation", page 35
•
"Fault indications during operation", page 36
10.1.1
Indications when teaching in an actuator
Table 12: Status indications during teach-in
LED indicators
OSSDs
Inputs
Status
STATUS
LOCK
DIAG
LOCK
IN 1/IN 2
Ö
Ö
Red/
green (2 Hz)
Ö
Ö
Yel‐
low/green
(2 Hz)
Ö
Ö
Red/
yellow (2 Hz)
OFF
Not relevant
Not relevant
Device is being switched on and is performing a self-diagnos‐
tic test.
O
Red
o
Ö
Ö
Red/
yellow (4 Hz)
OFF
Not relevant
Not relevant
In the delivery state: No actuator detected. You can start the
teach-in.
Ö
Green
(4 Hz)
o
Ö
Ö
Red/
yellow (4 Hz)
OFF
Not relevant
Not relevant
Device is teaching in the actuator.
Ö
Green
(4 Hz)
o
Ö
Yellow
(4 Hz)
OFF
Not relevant
Not relevant
Actuator was successfully taught-in. To complete the teach-in
process, disconnect and restore the voltage supply.
Table 13: Error indications during teach-in
LED indicators
OSSDs
Inputs
Cause
Troubleshooting
STATUS
LOCK
DIAG
LOCK
IN 1/IN 2
Ö
Ö
Red/
green (4 Hz)
o
Ö
Red
(4 Hz)
OFF
Not relevant
Not relevant
Teach-in failed. Device was
not restarted within the
expected time
Disconnect and restore the
voltage supply. Repeat the
teach-in.
Ö
Ö
Red/
green (4 Hz)
o
O
Red
OFF
Not relevant
Not relevant
Teach-in failed. Actuator was
removed too soon.
Disconnect and restore the
voltage supply. Repeat the
teach-in.
O
Red
Not relevant
Ö
Yellow
(1 Hz)
OFF
Not relevant
Not relevant
Actuator was used previously
and is invalid.
Use a valid actuator.
10.1.2
Status indications during operation
Table 14: Status indications during operation
LED indicators
OSSDs
Inputs
Status
STATUS
LOCK
DIAG
LOCK
IN 1/IN 2
O
Red
Ö
Green
(1 Hz)
Not relevant
OFF
Lock
requested.
Not relevant
No actuator detected.
O
Red
o
Not relevant
OFF
Unlock
requested.
Not relevant
No actuator detected.
Ö
Green
(1 Hz)
o
O
Yellow
OFF
Unlock
requested.
OFF
Actuator detected.
Locking function is unlocked.
No valid enable signal at IN1 and IN2
TROUBLESHOOTING
10
8020562/2022-07-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | flexLock
35
Subject to change without notice