SMC Networks ZL6 Series Operation Manual page 51

Error
Problem
No.
Displayed values
7
fluctuates.
•The display turns
OFF.
8
•Part of the
display is
missing.
The display
9
flashes.
Pressure display
difference when
10
using 2 or more
Pressure switches
Possible cause
Incorrect power Check if the power supply voltage is in
supply the range 24 VDC ±10%.
Check the power supply wiring
Check if the brown and blue wires are
Incorrect wiring connected to DC(+) and DC(-)
respectively, and if the wiring is
secure.
Factory line
Check if the factory line pressure is
pressure is not
changing.
stable.
Incorrect power Check if the power supply voltage is in
supply the range 24 VDC ±10%.
Check the power supply wiring.
Check if the brown and blue wires are
Incorrect wiring connected to DC(+) and DC(-)
respectively, and if the wiring is
secure.
Power saving Check if power saving mode is
mode selected.
Product failure
Peak value/bottom
Check if peak value or bottom value
value display
display mode is selected.
mode is selected.
(1) Check the power supply wiring.
(2) Check if bending stress is being
Wiring failure
applied to a specific part of the
lead wire.
Dispersion within
Check if the dispersion is within the
the display
display accuracy range.
accuracy range
Product failure
-50-
Investigation method Countermeasure
Supply power supply
voltage of 24 VDC ±10%.
Correct the wiring and/or
load resistance.
If the fluctuation is not
acceptable, the number of
digits (display sensitivity)
can be reduced by changing
the display resolution.
Supply power supply
voltage of 24 VDC ±10%.
Correct the wiring.
Reset the setting of
function.
Replace the product.
Turn off the peak
value/bottom value display
mode.
(1) Correct the wiring.
(2) Correct the wiring
(bending radius and
stress).
Use the fine adjustment
mode to adjust the display if
the dispersion is within the
display accuracy range.
Replace the product.
NO.ZL3-OM00701-A