A&D AD-4408C, Instruction Manual

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AD-4408C Weighing Indicator
Page 50
10. Maintenance
10.1. Error Messages
If an error message is displayed, refer to the chart below to take proper measures.
Error message Cause Remedy
ad err
Data can not be acquired
from the A/D converter.
Repair is required.
ra err
Data can not be written into
the battery backup memory.
Repair is required.
eeperr
Correct data can not be
read from the EEPROM.
Perform initialization.
If initialization does not clear the
error, repair is required.
Calerr
Calibration data is not
correct.
Perform calibration.
lb err
No battery backup. The
zero and tare values are
cleared. Perform zero adjustment or clear
the zero value. And then, update
the zero value.
C err
X
Calibration error Refer to “7.4. Calibration Errors”.
err dt
The setting value is out of
the settable range. Check the setting value and set
again.
10.2. Check Mode
The check mode checks the performance of the display, key switches and external I/O.
10.2.1. Entering the check mode
Step 1 While holding down the ENTER key, press the F key.
fnc
is displayed to indicate that the indicator will enter the general function
mode.
To return to the weighing mode, press the ESC key.
Step 2 While holding down the ZERO key, press the ENTER key.
1 Chc is displayed to indicate that the indicator will enter the check mode.
Press the ENTER key again to display an item to be checked.
Step 3 Press the
∧
or
∨
key to select the item to be checked and press the ENTER key
to enter the check mode of the selected item.
To exit from the current mode, press the ESC key.