Error Codes And Messages; How To Read A Display - Mitsubishi MELSEC-A AD57G-S3 User Manual

13. ERROR CODES AND MESSAGES
MELSEC-A
13. ERROR CODES AND MESSAGES
The following describes the error codes and error messages given in Sections
5.4.4 and 10.8.
If there is an error code (or alarm number) numbered 299 or less, confirm the
error contents and correct it by referencing the appropriate manual (given in
the error code and error message list).
13.1 How to Read a Display
This section describes (a) how to interpret the error codes and error mes-
sages displayed on the monitor screen and system alarm screen, and (b)
which section should be referred to.
•
(1) How to read the system error codes on the monitor display when the
monitor function to display the error warning is used (*1)
(a) Monitor screen display format: Displayed in a position specified by
the user
r--------------,
: Alert message:
, ,
L
~
r - - - - -- - - - - - - - -...,
, ,
: Error location :
, ,
L ...J
r------------,
,
,
: Error code :
L-----r----J
Max.74 characters
Error code corresponding
to the error
L Indicates in which of the following the
error occurred:
cpu : PC CPU
MNET : MELSECNET (II)
GCONT : G-controller module
L Alert message set using the Set error alert window (*2)
(b) Error codes and reference manuals
Error Location Error Codes
References
o to
199
User's Manual of the PC CPU in
PC CPU
(Value stored to D9008)
which the G-controller module is in-
stalled
MELSECNET (II) Data Link System
MELSECNET (II) 200 to 299
Reference Manual (see the section
about special relays used for data
link) "'3
G-controller module 300 or higher
Section 13.2
"'1 Take different measures for error alert displays set by the user.
Turning OFF the corresponding bit device (set by the user) clears the error alert
display.
"'2 If WDT ERROR is displayed, reset it using the RUN/STOP keyswitch of the G-
controller module.
If WDT ERROR is displayed again, this means there is a fault in the hardware of the
G-controlJer module.
The module must be changed.
"'3 See the section '(error code) + 9000' which explains the special relays used for data
link, and take corrective action.
For example, if an error whose code is 210 occurs, 210 must be added to 9000.
Therefore, look up the corrective action to take for M921 O.
13-1