Mitsubishi Q2ASCPU - Error Code Classification

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6.1 Error Code Type
Errors are detected by the self diagnostics function of CPU module or during
communication with CPU module.
The following table classifies the errors according to the detection pattern,
detection location and error code.
Error detection
pattern
Error detection
location
Error code Reference
Detection by the
self diagnostics
function of CPU
module
CPU module 1000 to 10000*1 Section 6.3
CPU module 4000H to 4FFFH
Q2A(S1)/Q3A/Q4ACPU User’s
Manual
Serial communication
module, etc.
7000
H to 7FFFH
Serial Communication User’s
Manual, etc.
CC-Link module B000H to BFFFH
CC-Link System Master/Local
Module User’s Manual
Ethernet module C000H to CFFFH
Ethernet Interface Module User’s
Manual
Detection at
communication with
CPU module
MELSECNET/H
network module
F000
H to FFFFH
For QnA/Q4AR MELSECNET/10
Network System Reference Manual
*1: CPU module error codes are classified into minor, moderate, major errors as
shown below.
 Minor error: Errors that may allow the CPU module to continue the operation, e.g., battery
error.
(Error code: 1300 to 10000)
 Moderate error: Errors that may cause the CPU module to stop the operation, e.g., WDT error.
(Error code: 1300 to 10000)
 Major error: Errors that may cause the CPU module to stop the operation, e.g., RAM error.
(Error code: 1000 to 1299)
Determine the error level, i.e. whether the operation can be continued or stopped,
by referring to "Operating Statuses of CPU" described in Section 6.3 "Error Code
List".
6.2 Reading Error Code
When an error occurs, the corresponding error code and error message can be
read out using a peripheral device.
For details on peripheral device operation, refer to GX Developer Operating
Manual or SW
IVD-GPPQ/SW NX-GPPQ Operating Manual (Online).