SMC Networks D-M9N User Manual

-16-
No.D-※S-OMJ0004-E
•Trouble list
Trouble
No.
Trouble
Possible cause
Investigation to find possible
cause
Countermeasure
1
The switch
output doesn’t
turn off. The
operation LED
doesn’t go off.
Malfunction due
to disturbance
magnetic field
The effect of magnetic field
generated by adjacent actuator
Place a magnetic shield plate to
the actuator.
Improper setting
(mounting)
position
*Narrow angle
The presence of the following
conditions
Switch operating range
>Actuator operating stroke
Displace the Auto switch set
position from the center of the
actuator operating range.
2
The switch
output doesn’t
turn off. The
operation LED
doesn’t turn on.
Product failure
Replace the product.
3
The switch
output doesn’t
turn off. The
operation LED
operates
properly.
Mismatch the
load current
specification
(2-wire)
Satisfaction of the following
relations by the load current
specification
Load voltage is "ON" level
> (Current leakage x n)
x load resistance
or
Load current is "OFF" level
> (Current leakage x n)
n: The number of parallel
connecting switches
Select 3-wire Auto switch or reed
Auto switch.
Reduce the number of switches.
Incorrect wiring
(3-wire)
Reverse connection of wiring
(black and blue)
Correct wiring.
(Refer to "Internal circuit" on
page 13.)

SMC Networks D-M9N Specifications

General

Brand	SMC Networks
Model	D-M9N
Category	Switch
Language	English