SMC Networks ISE70 AB Series Operation Manual page 65

Problem
Problem
No.
Buttons do not
13
work.
The operation is
14 unstable.
(chattering)
Problem possible
causes
Key-lock mode is Check if the key-lock function is
activated turned on.
Product failure
Effect of line
pressure
fluctuation
(1) Check the set pressure values
because
(hysteresis)
hysteresis is too
(2) Check the delay time.
narrow or delay
time of the switch
is too short
(1) Check the power supply wiring.
(2) Check if there is bending stress
Incorrect
applied to any part of the lead
wiring/broken
wire.
lead wire
(bending radius, tensile force to
the lead wire)
Product failure
-64-
Investigation method Countermeasures
Check the key-lock function.
Replace the product.
(1) Adjust the set pressure
value.
(2) Change the response
time setting.
(1) Check and correct the
wiring.
(2) Correct the wiring.
(Reduce the tensile force
or increase the bending
radius.)
Replace the product.
No.PS※※-OMW0002-D