Filter
Top Products
8 - 11
8.11 Action and Handling of Errors
8.11.1 Error code list
8
TROUBLESHOOTING
Table 8.19 Error code list (continued)
Error
code
Description Action
Operation at error
Error channel Other channels
31m
[Continuous comparison No.m execution not possible
error]
Turn OFF the coincidence
output test command, then turn
ON the continuous comparison
execution command.
The continuous
comparison cannot
be started. (The
error does not
affect the other
continuous
comparison
number.)
The error does
not affect other
channels.
The continuous comparison No.m execution
command (Y09 and Y0A) is turned ON while one of
the following is ON.
•Coincidence output No.1 test command (Y0B)
•Coincidence output No.2 test command (Y0C)
"m" indicates the continuous comparison number
where the error occurred.
500
[Ring counter upper/lower limit value setting error]
Set a value as follows.
(Lower limit value Upper limit
value)
The ring counter
function does not
start counting.
The count enable command (Y06) is turned ON
under the following condition.
(Ring counter lower limit value (Un\G0 and 1)) >
(Ring counter upper limit value (Un\G2 and 3))
(Only for the ring counter function)
810
[Switch setting error]
Set a correct value in GX
Developer and perform [Write to
PLC]. After that, power OFF
then ON the programmable
controller CPU or reset it. (Refer
to Section 4.5.)
•All functions and counting are
stopped.
•Updating the external I/O status
monitor is stopped.
•The module READY (X00) turns
OFF.
An invalid value is set in the switch setting for
intelligent function module in GX Developer.
820
[Programmable controller CPU error]
Power OFF then ON the
programmable controller CPU or
reset it.
An error occurred in the programmable controller
CPU.
830
[Watchdog timer error of programmable controller
CPU]
A watchdog timer error occurred in the programmable
controller CPU.
840
[Module error]
Power OFF then ON the
programmable controller CPU or
reset it.
If an error occurs again, replace
the module.
An error occurred in the module.
850
[Hardware error]
Replace the module.
A hardware error occurred.
860
[Blown fuse error]
•For replacement of fuse, please
consult your local Mitsubishi
representative.
•When temporarily using the
module with a blown fuse, do
not apply a voltage to the
external coincidence output
power supply terminal and
power OFF then ON or reset
the programmable controller
CPU.
The fuse of the external coincidence output part is
blown.