8.3
System status
Table 5: System status and displays
LED indication
Status
STATE (green)
OUT (yellow)
DIA (red)
Normal mode
Ö
15 Hz
(10 s)
o
o
Self-test, duration approx. 10 s, is performed after the supply voltage
U
B
is applied
O
o
o
At least one door open
O
o
o
All doors closed, reset pushbutton
not
pressed
O
O
o
All doors closed, reset pushbutton pressed
Commissioning
Ö
4 Hz
o
o
Initial commissioning after delivery without connected shorting jumper
at J1, J2
Ö
1 Hz
o
o
Teach-in process
o
o
o
Acknowledgment for successful teach-in
Fault indication
o
o
O
Internal device component failure or actuator in the response range for
less than 0.5 s or inadmissibly high external interference (EMC)
Operating error
Ö
3×
o
O
Teach-in must be repeated. Possible causes:
•
24 V signal is present at the input of the reset pushbutton
(S) although automatic reset was taught in.
•
Closed function EDM (Y1/Y2) is present although no external
device monitoring was taught in (e.g. because the contactors was
open during teach-in).
•
DIP switch setting was changed without a new teach-in process.
•
Not all protective doors were closed during the teach-in process
that are to be monitored and which were selected at the DIP
switches.
•
Status change during the teach-in process
•
Shorting jumper at J1, J2 was connected with switched-on supply
voltage U
B
.
Ö
4×
o
O
EDM fault, malfunction of the monitored contactor. Possible causes:
•
Actuator was outside the response range only briefly (door open/
closed). The contactors did not drop out as a result (pay attention
to dropout times of the contactors).
•
Malfunction of the monitored contactor (EDM)
•
EDM was not connected when the evaluation unit was started.
Test mode
O
o
O
Test with closed door (TST = 24 V)
Meaning of symbols:
o
= LED off
O
= LED lit
Ö
= LED flashing
Ö
3×
= LED flashes three times
NOTE
Displays other than those described here indicate an internal device fault. In this case, please contact your SICK
subsidiary.
8
TROUBLESHOOTING
32
O P E R A T I N G I N S T R U C T I O N S | T4000 Multi
8022726/2019-05-07 | SICK
Subject to change without notice
