
Diagnostics and troubleshooting
Leuze electronic
Technical description LSIS 22x
77
TNT
35/7-2
4
V
9
Diagnostics and troubleshooting
9.1
State signaling via LED
Notice!
Please use
chapter 9 as a master copy
should servicing be required.
Cross the items in the "Measures" column which you have already examined, fill out the fol-
lowing address field and fax the pages together with your service contract to the fax number
listed below.
Customer data (please complete)
Leuze Service fax number:
+49 7021 573 - 199
Error
Possible error causes
Measures
Status LED 'PWR'
Off
• No
su
pply volt
a
ge connected to the
device
• H
a
rdw
a
re error
Check
su
pply volt
a
ge
S
end device to c
us
tomer
s
ervice
Green continuous light
• No error
None
Status LED ’IO’
Off
• No trigger
s
ign
a
l pre
s
ent
• No decoding
S
witching
s
ign
a
l for trigger
No decoding re
su
lt
Green 0.3s
• Decoding
su
cce
ss
f
u
l
None
Orange 0.3s
• Trigger pre
s
ent
a
nd decoding w
as
su
cce
ss
f
u
l
None
Red continuous light
• Trigger
s
ign
a
l pre
s
ent
None
Illumination LED behind the lens cover
Off
• No trigger
s
ign
a
l
• No
su
pply volt
a
ge
• No U
S
B connection (L
S
I
S
22
3
… only)
Pre
ss
bu
tton
Connect volt
a
ge
E
s
t
ab
li
s
h U
S
B connection
a
nd check
driver
On
• Trigger i
s
a
ctiv
a
ted
Hold
u
p code
Table 9.1:
LED states
Device type:
Software version :
Company:
Customer order number:
Contact person/ Department:
Phone (direct):
Fax:
Street / No:
ZIP code/City:
Country: