LEDs Meaning
OSSD Field Diagnostic LEDs
1 2 3 4 5 6 7 8
O W
hite
(3 s)
Muting or partial
blank
ing is configured.
O W
hite
(3 s)
Reduced resolution is
conf
igured.
O W
hite
(3 s)
Scanning range adjust‐
ment is conf
igured.
O R
ed ÖÖ
Yellow/
green
o o o o o o o o
Reset of the configu‐
r
ation to factory set‐
tings is activated,
see "Factory settings",
page 86.
O R
ed Ö Green
Device is in config‐
ur
ation mode, see
"Configuration mode",
page 88.
When a function is
configured, the corre‐
sponding diagnostic
LED flashes.
o LED of
f. Ö LED flashes. O LED illuminates. Empty cells mean that the LED lights up, flashes, or is off.
After the configuration is indicated, diagnostic LEDs 1, 2, 3 and 4 indicate the align‐
ment q
uality. Additionally, the synchronization status of the topmost and bottommost
beams of the safety light curtain are displayed by means of diagnostic LEDs 5 and 6 as
well as 7 and 8.
If the configuration was changed, the diagnostic LEDs flash white for 3 s upon activa‐
tion.
Once the safety light curtain is aligned and the protective field is clear (field indicator:
flashing yellow or lit up green), the alignment quality display switches off after a certain
period of time.
Table 38: Indication of the alignment quality
LEDs Meaning
Diagnostics LEDs
1 2 3 4 5 6 7 8
o o o o o o o o
Alignment is inadequate, or the protective field is
a
t least partially interrupted. The receiver cannot
synchronize with the sender.
O Blue o o o
At least one beam is synchronized.
Ho
wever, the alignment is inadequate, or the pro‐
tective field is at least partially interrupted.
O Blue O Blue o o
The alignment or the signal strength is still not
suf
ficient for stable availability, or the protective
field is at least partially interrupted.
1)
O Blue O Blue O Blue o
Alignment is good, stable availability.
1)
2)
O Blue O Blue O Blue O Blue
Alignment is very good.
1)
O Blue O Blue
The topmost light beam (far from system plug) is
s
ynchronized.
11 TROUBLESHOOTING
116
O P E R A T I N G I N S T R U C T I O N S | deTec4 Ex II 3GD 8023872/18YZ/2021-01-14 | SICK
Subject to change without notice
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