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Problem
Problem
No.
Buttons do not
13
work.
The body of the
pressure switch
14
has become
loose.
15
There is noise.
The operation is
16
unstable.
(chattering)
Problem possible
causes
Key-lock mode is
Check if the key-lock function is
activated
turned on.
Product failure
Imperfect
Confirm that the product is properly in
installation
panel mount adapter claws.
Product failure
Air or liquid
Check if air or liquid are leaking from
leakage
the piping.
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
-59-
Investigation method
Countermeasures
Check the key-lock function.
Replace the product.
Mount the body on the panel
mount.
Replace the product.
Rework the piping.
If the tightening torque is
exceeded, the mounting
screws, brackets and the
pressure switch may be
damaged.
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※※-OMS0007-D
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