Instruction manual

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.