Mitsubishi Electric Melsec Q Series User Manual page 301

9
TROUBLESHOOTING
Error Code
Access to an access-disabled area was attempted from
E4AA
H
the DP-Slave side.
E4AB Access is not available on the DP-Slave side.
H
E4AC The access was rejected on the DP-Slave side.
H
Incorrect access range was detected on the DP-Slave
E4AD
H
side.
E4AE Incorrect request was detected on the DP-Slave side.
H
E4AF Incorrect data type was detected on the DP-Slave side.
H
Incorrect parameter in the request was detected on the
E4B0
H
DP-Slave side.
Resource error was detected during read processing on
E4B1
H
the DP-Slave side.
Resource error was detected during write processing on
E4B2
H
the DP-Slave side.
E4B3 The resource is already in use on the DP-Slave side.
H
There is no resource that can be used on the DP-Slave
E4B4
H
side.
The service not available for the specified DP-Slave was
E4B5
H
requested.
Memories used for request processing are insufficient on
E4B6
H
the DP-Slave side.
E4B7 The DP-Slave side made this service invalid.
H
E4B8 The DP-Slave side did not respond to the request.
H
E4C0 The CommRef number is incorrect.
H
E4D0
H
E4D1
H
E4D2
H
E4D3
H
E4D4
H
E4D5
H
Hardware failure
E4D6
H
E4D7
H
E4D8
H
E4D9
H
E4DA
H
E4DB
H
Another Acyclic communication or alarm request is being
E4DC
H
executed to the same DP-Slave.
E4DD There is no executable resource.
H
E4DE There is an invalid parameter setting.
H
9.5.3 Error codes E400H to E4FFH (Error codes generated during acyclic communication)
Table9.6 Error codes E400H to E4FFH (Continued)
Error Description
9.5 Error Codes
Error codes E4AA
Action
Check if the request data supported by the DP-Slave is
correctly set or not, and retry.
For details, refer to the manual for the DP-Slave.
Check if the specified CommRef number is correct, and
retry.
Please consult your local Mitsubishi representative.
Verify that another Acyclic communication or alarm
request has been completed, and then retry.
Check the parameter settings and then retry.
9
to E4DE
H H
(To the next page)
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