Error Codes List - Mitsubishi Electric MELSECQ Series User Manual

8
TROUBLESHOOTING
8.5
Error
Error name
code
0 (Normal)
100 Overflow error
Ring counter
upper/lower
500
limit value
setting error
Period setting
600
error
Switch setting
810
error
Programmable
820 controller CPU
error
Watchdog timer
error of
830
programmable
controller CPU
840 Module error
850 Hardware error
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Error Codes List

This section describes the descriptions and corrective actions for the errors detected by
the QD63P6.
Description
-
The present value A (Un\G10
and 11)/present value B
(Un\G200 and 201) exceeds the
following range when the linear
counter function is selected.
-2147483648 to 2147483647
The setting which meets the
condition "ring counter lower
limit value (Un\G0 and 1)
counter upper limit value (Un\G2
and 3)" was made when the ring
counter function was selected
and the count enable command
(Y04) was turned ON.
The period setting (Un\G9) was
set to 0 and the periodic pulse
counter start command (Y05)
was turned ON.
The value of the intelligent
function module switch setting
made with GX Developer is
incorrect.
An error occurred in the
programmable controller CPU.
A watchdog timer error occurred
in the programmable controller
CPU.
An error occurred in the module.
An error occurred in the
hardware.
8.5 Error Codes List
search engine
Table 8.9 Error codes list
Operation at error
Error channel Other channels
-
The linear
counter function
stops counting.
The ring counter
ring
function does Normally operate
not start if no error occurs.
counting.
The periodic
pulse counter
function does
not start.
•The linear counter function, ring
counter function, and periodic
pulse counter function stop
counting.
•The module READY (X00) turns
OFF.
Action
- -
Perform preset (Y02).
Set them so that the
condition "ring counter
lower limit value (Un\G0
and 1) ring counter
upper limit value (Un\G2
and 3)" is satisfied, and
change the count enable
command (Y04) from OFF
to ON.
Make the period setting
(Un\G9) within the range
from 1 to 65535 and
change the periodic pulse
counter start command
(Y05) from OFF to ON.
Set the correct value
using GX Developer and
perform [Write to PLC].
After that, power OFF and
then ON the
programmable controller
CPU or reset it.
Power OFF and then ON
the programmable
controller CPU or reset it.
Power OFF and then ON
the programmable
controller CPU or reset it.
If an error occurs again,
replace the module.
Replace the module.
Reference
-
Section
3.3
Section
3.3
Section
3.4
Section
5.2.2
Section
3.3
Section
3.4
Section
4.5
-