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Graphical Digital Panel Meter WPMZ-1 INSTRUCTION MANUAL
76
IM-0882-03
Phenomena and measures
No.
Condition
Checkpoint
Action
1
The display does not
light up.
Check the power is supplied
correctly.
・
Check the supplied power meets
requirement of supply power
specifications.
・
Using a circuit-tester, check
voltage and wiring. Tighten up the
screws of the terminals.
Check the setting of
“brightness” is set to “OFF”.
- By pushing MENU and FUNC
keys, if the display lights up,
“BRIGHTNESS” is set to “OFF”.
Change “BRIGHTNESS” setting.
2
Display keeps
indicating”0” or”-----”.
Check the input signal is
applied adequately.
・
Check the supplied input signal
meets requirement of input
specifications.
・
Check input wiring and its
continuity.
・
Check with input diag function of
the product.
・
Check status of external control
function.
・
Check these settings.
-Linearize
-DispLoCut
-PowerOnDelay
・
Initialize the WPMZ.
Caution: All settings are reset to
default values by the initialization.
Check the selected display is
appropriate for the input
channel or displayed item in
use.
・
Using DISP key, try to switch
display.
・
Check setting of “Display Select”.
3
OVER alarm display
(-OVER alarm display)
Confirm over input
(Warning display with input of
± 110% or more of the input
range)
・
Check the supplied input signal
meets requirement of input
specifications.
・
Check by using input diag
function.
Confirmation of scaling setting
(The display of 99999 or more
is OVER)
Check the settings.
Effect of noise
·
Application of shielded wire and
wiring improvement
·
Perform input filter setting
·
Change the average number of
times and add moving average