Table of Contents
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4.1 Troubleshooting
Solutions to frequently encountered problems and errors are described below.
Symptom
Operation indicator
(Note 1) is OFF.
The output does not
turn ON.
(Note 1) Position of operation indicator
Operation indicator (Orange)
(Note 2) I/O circuit diagram
NPN output type
PNP output type
● Ensure to insulate the unused output wire.
4-2
Cause
Power is not supplied.
There is a mistake in the wiring. Check the wiring. (Note 2)
Light is not being emitted.
Something is wrong with the
output circuit.
(Brown) + V
(Black) Output 1
(White) Output 2
(Blue) 0 V
(Brown) + V
(Black) Output 1
(White) Output 2
(Blue) 0 V
Check the supplied voltage of the power supply.
The emitting element or circuit is damaged.
In such a case, replace this product.
The output circuit is damaged.
In such a case, replace this product.
Load
Load
50 mA MAX.
50 mA MAX.
50 mA MAX.
50 mA MAX.
Load
Load
Solution
+
−
+
−
WUME-PMSAFETY-1
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Table of Contents
Troubleshooting
