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10. Maintenance
10.1. Error Messages
If an error message is displayed, refer to the chart below to take proper measures.
Error message
C5 err
ad err
ra err
fraerr
Calerr
C errX
err dt
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 pressing and holding the ENTER key, press the F key.
fnc is displayed to indicate that the indicator will enter the general function
mode.
To go back to the weighing mode, press the ESC key.
Step 2 While pressing and holding the ZERO key, press the ENTER key.
1Chc 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.
Cause
Program checksum error
Data can not be acquired
from the A/D converter.
Data can not be written into
the backup memory.
Correct data can not be
read from the FRAM.
Calibration
data
correct.
Calibration error
The setting value is out of
the settable range.
Page 37
Repair is required.
Repair is required.
Repair is required.
Perform initialization.
If initialization does not clear the
error, repair is required.
is
not
Perform calibration.
Refer to "7.4. Calibration Errors".
Check the setting value and set
again.
Remedy
AD-4408A
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