KEYENCE SL-V Series - Manual (Page 156)

A-1 Troubleshooting
A-4
App
end
ix
A
SL-V-M-NOA-E

Troubleshooting
8
Interlock
error
9
System
error 1
All indicators may turn OFF.
9
System
error 2
All indicators may turn OFF.
10
Software
configuration
error
Indicators on the transmitter Indicators on the receiver
the identified
number of pulses
on output 2
Error name
Indicator 4
5
4
3
2
1
Repeat displays (1) to (4)
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
1 1 1 1
(1)0.5s (2)0.5s (3)0.5s (4)0.5s
Repeat displays (1) to (4)
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
1 1 1 1
(1)0.5s (2)0.5s (3)0.5s (4)0.5s
Indicators 1 & 4
5
4
3
2
1
Indicators 1 & 4
5
4
3
2
1
Repeat displays (1) to (4)
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
1 1 1 1
(1)0.5s (2)0.5s (3)0.5s (4)0.5s
Indicators 2 & 4
5
4
3
2
1
Repeat displays (1) to (4)
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
1 1 1 1
(1)0.5s (2)0.5s (3)0.5s (4)0.5s
Error name Cause Countermeasure
OSSD error
OSSD is short-circuited to 0 V or 24 V of power supply. Rewire the OSSD correctly.
"Examples of Wiring" (page 4-5) OSSD are short-circuited to each other.
Too much current is flowing through the OSSD
Make sure the load does not consume more current than the
OSSD can handle.
There is a voltage surge affecting the OSSD due to
an inductive load.
Use a load with a surge absorption device.
Unit cable for transmitter is connected to receiver --
-vice versa.
Use the transmitter cable for the transmitter and the receiver
cable for the receiver.
"Unit connection cable" (page 3-13)
OSSD is affected by external noise.
Keep the shield extending past the shielded cable as short
as possible.
Check for noise around the cables.
The power supply voltage is reduced
The power supply voltage has fallen continuously or
experienced a sudden drop. Take measures by replacing
the power supply, increasing the power capacity, or
dedicating the power supply to the SL-V.
OSSD is broken. Replace the receiver.