AND Explosion Protected Weighing Indicator AD-4403-FP ST Series, Instruction Manual

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9-2
Each check item
Display Check Item
“Chc PrG” Program Version
This check displays the version of the program stored in the ROM. The version number is displayed as
“vEr X.XX” .
* Press [ESC] to return to the check item-selecting mode.
“Chc Ad” A/D Converter
The load cell Input voltage is displayed in the unit of mV/V. Applying offset voltage to the load cell can
check the A/D Converter function.
Keep the record of the input voltage for future maintenance work.
Apply some voltage with [F] and [ENTER] . “
□
”should move upward when applied,.
* Press [ESC] to return to the check item-selecting mode.
# Problem Cause
1
With +SIG and –SIG Load Cell terminals shorted,
0.0 mV/V is not displayed.
•
Incorrect wiring
•
Not sufficient input voltage
•
Damaged A/D converter
2
When not loaded, the displayed value is out of a
range of 0.0 mV/V to 2.0 mV/V.
•
Incorrect rate of load cell
•
Damaged load cell
3
When loaded, the displayed value is smaller than
that of # 2, or larger than 3.2 mV/V.
•
Incorrect wiring
•
Incorrect rate of load cell
4
“
□
” moves upward when [F] or [ENTER] pressed.
However no increase in value on the display.
•
Incorrect wiring
“Chc KEy” Key Switches
Key number assignment Front panel key
Pressing a key shows a relevant number (see the key
number assignment on the left.) The number is
displayed as
“no.XX” .
([FUNC.] displays “no.12” )
Left keypad is of type A model. However key number
assignment is same between type A and B.
Calibration disable switch
Switching the calibration disable switch to the ON
position or OFF.
ON:
“S1”
OFF: “ ” (blank)
*
To return to the check item-selecting mode, press
[ESC] a little longer (more than 0.3 seconds)
* When no switch is pressed, “OFF” is displayed.
* If two or more switches are pressed, “Err” is
displayed.