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-31-
No.PS
※※
-OMJ0004-E
Reference
No.
Problem
Possible cause
Investigation method
Countermeasure
12
The unit
cannot be
changed.
An unsuitable
model
selection
(Selection of
model "without
unit change
function")
Check for an "M" suffix on the part
number on the name plate
"M" in the part number means
that the unit cannot be
changed.
: The new Measurement Law
prohibits the use of Pressure
switch with the unit conversion
function in Japan.
: Fixed SI unit: MPa
Product failure
Replace the product.
13
The buttons
cannot be
operated.
Key lock mode
Check if the key lock mode is
selected.
Release the key lock mode.
Product failure
Replace the product.
14
The body has
become
loose.
Incorrect
installation
1. Confirm that the mounting adapter
for the regulator is installed
properly.
2. Confirm that the Pressure switch is
installed to the mounting adapter
properly.
Correct the mounting
conditions.
Product failure
Replace the product.
15
Noise.
Air leakage
Check for air leakage from the
mounted part.
(No mounted O-ring)
Rework the assembly of the
regulator.
If the regulator is tightened at a
torque over the specified range,
its mounting screw could break.
Also, remount the O-ring.
Product failure
Replace the product.
16
The operation
is unstable.
Incorrect wiring
Check the wiring to the power supply.
Confirm that the brown and blue wires
are connected to DC(+) and DC(-)
respectively, and that the output line
has not come off (contact failure).
Correct the wiring.
Opened lead
wire
Check if there is bending stress
applied to a certain part of the lead
wire.
(Bending radius and tensile force
applied to the lead wire.)
Modify the wiring conditions.
(Adjust the tensile force and
widen the bending radius.)
Product failure
Replace the product.