AND Explosion Protected Weighing Indicator AD-4403-FP ST Series Instruction Manual page 75

Each check item
Display
"Chc PrG"
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"
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.
#
With +SIG and –SIG Load Cell terminals shorted,
1
0.0 mV/V is not displayed.
When not loaded, the displayed value is out of a
2
range of 0.0 mV/V to 2.0 mV/V.
When loaded, the displayed value is smaller than
3
that of # 2, or larger than 3.2 mV/V.
"□" moves upward when [F] or [ENTER] pressed.
4
However no increase in value on the display.
"Chc KEy"
Key number assignment
Problem
Front panel key
Pressing a key shows a relevant number (see the key
number assignment on the left.) The number is
displayed as
([FUNC.] displays
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:
OFF:
* To return to the check item-selecting mode, press
[ESC] a little longer (more than 0.3 seconds)
* When no switch is pressed,
* If two or more switches are pressed,
displayed.
9-2
Check Item
Program Version
A/D Converter
Cause
• Incorrect wiring
• Not sufficient input voltage
• Damaged A/D converter
• Incorrect rate of load cell
• Damaged load cell
• Incorrect wiring
• Incorrect rate of load cell
• Incorrect wiring
Key Switches
"no.XX" .
"no.12"
"S1"
" " (blank)
)
"OFF" is displayed.
"Err" is