Chapter C Chapter C
Maintenance Mode
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W301-0411E
C-4 Error Code
4.1 Classification of Error Code
The error code is displayed with the numerical value having four digits. The first digit (E1) indicates the error
group. The following three-digit number indicates the individual code within the error group.
E1 E2 E3 E4
Individual code
Group code
Group 0: Warning (Refer to Chapter B 3.2 Warning Code and Model Comparison Table)
Group 1: Communication device (transmitter, etc.) error
Group 2: Detector abnormality or abnormal combination of detectors
Group 3: AML internal abnormality (system abnormality). When this abnormality occurs, the execution of control
software is aborted.
For about the error code table, refer to “4.4 Error Code Table.”
4.2 Error History
The error codes from group 1 to 3 are stored in the AML together with the error occurrence time. (Note 1)
The maximum of 50 error items are stored in the chronological order of occurrence. When the number of error
items exceeds 50, the oldest record is deleted each time a new error occurs.
Note 1: The error code in group 3 is rarely stored.
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