SMC Networks ZSE10(F) Operation Manual page 51

○Faults and countermeasures
Fault No. Fault
•Output remains
ON.
Indicator LED
remains ON.
1
•Output remains
OFF.
Indicator LED
remains OFF.
Output remains
ON.
2
Indicator LED
works correctly.
Output remains
OFF.
3
Indicator LED
works correctly.
Switch output
4 generates
chattering.
Slow switch
5
output response
Possible cause
(1) Check the set pressure.
(2) Check the operation mode,
Incorrect pressure hysteresis and output type.
setting (hysteresis mode / window
comparator mode, normal /
reversed output)
Product failure
Check the wiring of the output.
Incorrect wiring Check if the load is connected
directly to DC(+) or DC(-).
Product failure
Check the wiring of the output.
Incorrect wiring Check if the load is connected
directly to DC(+) or DC(-).
Check if PNP is used when NPN
Unsuitable model
should have been selected, or the
selection
other way around.
Check if there is bending stress
applied to any parts of the lead wire.
Broken lead wire
(bending radius and tensile force
applied).
Product failure
Check the wiring.
Check that the brown and blue wires
Incorrect wiring are connected to DC(+) and DC(-)
respectively, and if the output wiring
is loose (contact failure).
(1) Check the set pressure.
(2) Check that the hysteresis range
is not too narrow.
(3) Check the response time set at
Incorrect settings
initial setting.
Check that the response time is
not too short.
Product failure
Check the pressure setting.
Incorrect pressure Check that the detected pressure
setting and the set pressure value are not
the same or not too close.
-50-
Investigation method Countermeasure
(1) Reset the pressure
setting.
(2) Reset the function
settings.
Replace the product.
Correct the wiring.
Replace the product.
Correct the wiring.
Review the selected model
(output type).
Correct the wiring conditions.
(adjust the tensile force and
increase the bending radius).
Replace the product.
Correct the wiring.
(1) Reset the pressure
setting.
(2) Increase the hysteresis.
(3) Reset the function
settings.
Replace the product.
Reset the pressure setting.
Set the pressure setting
value so it is not too close to
the detected pressure.
No.PS※※-OMM0005-J