SMC Networks ZSE20B Operation Manual page 72

Problem
Problem
No.
Displayed value
8
fluctuates.
Display turns
OFF.
9
Part of the
display is
missing.
Display is
10
flashing.
Pressure display
difference when
11 using 2 or more
Pressure
switches.
Problem possible
causes
Check that the power supply voltage
Incorrect power
is within the range 12 to 24 VDC
supply
±10%.
Check the wiring to the power supply.
Check that the brown and blue wires
Incorrect wiring are connected to DC(+) and DC(-)
respectively and that the output
wiring is not loose (contact failure).
Factory pressure Check if the factory pressure has
change changed.
Check that the power supply voltage
Incorrect power
is within the range 12 to 24 VDC
supply
±10%.
Check the power supply wiring.
Check that the brown and blue wires
Incorrect wiring are connected to DC(+) and DC(-)
respectively and that the output
wiring is not loose (contact failure).
Power saving Check if the power saving mode is
mode selected.
Product failure
(1) Check the power supply wiring.
(2) Check if there is bending stress
Wiring failure
applied to any parts of the lead
wire.
Dispersion within
Check if the dispersion is within the
the display
display accuracy range.
accuracy range
Product failure
-71-
Investigation method Countermeasures
Supply the correct voltage of
12 to 24 VDC ±10%.
Correct the wiring.
If the fluctuation is not
acceptable, the product
display resolution can be
changed. Digital filter setting
also needs to be improved.
Supply the correct voltage of
12 to 24 VDC ±10%.
Correct the wiring.
Reset the function settings.
Replace the product.
(1) Correct the wiring
(2) Correct the wiring
conditions (reduce the
tensile force and
increase the bending
radius).
Use the fine adjustment
mode to adjust the display if
the dispersion is within the
display accuracy range.
Replace the product.
No.PS※※-OMU0006-A