Ex245-Dx1; Ex245-Dy1 - SMC Networks EX245-EA2 Series Operation Manual

13.2. EX245-DX1

No. Problem
Signals cannot be
1 received even with
sensor.
Status indicator is red
2
ON.

13.3. EX245-DY1

No. Problem
1 A load is not operating.
Status indicator is red
2
ON.
Table. 13-7 Troubleshooting for EX245-DX1
Possible cause
Incorrect wiring.
US1 is not present.
Sensor is faulty.
"Pin 1: 24 V" and "Pin 3: 0 V" of the
sensor connection have over current.
Table. 13-8 Troubleshooting for EX245-DY1
Possible cause
Incorrect wiring.
US2 is not present.
Load is faulty.
"Pin 2/4: output signal" and "Pin 3: 0 V"
of the load connection have over
current.
- 83 -
Remedy
Check the wiring and pin numbers.
Check the supply for US1
(sensor/input).
Check the sensor.
Check the sensor.
Check the cable.
Check the wiring and pin numbers.
Remedy
Check the wiring and pin numbers.
Check the supply for the loads.
Check the load.
Check the load.
Check the cable.
Check the wiring and pin numbers.
No.EX※※-OMW0011-B