Mitsubishi MELSEC-Q Series User Manual page 169

5
SETTINGS AND PROCEDURES BEFORE OPERATION
Table5.4 LED indicators and statuses in hardware self-diagnostic operation mode
LED indicator Name
MODE MODE
Hardware self-
ERR.
diagnostic error
Mode 1/
RUN Error location
indication
Mode 2/
CF CARD Error location
indication
Mode 3/
CH2 SD/RD Error location
indication
Default setting
mode/
USER
Error location
indication
Remark
(b) In hardware self-diagnostic operation mode (When the MODE LED is lit
"orange")
Change the operation mode by the switch.(
LED status
On Hardware self-diagnostic mode
Off Hardware fault occurred or the module is being reset
When all LEDs but the MODE LED turn off, it indicates that the self-
Off
diagnostic test has not been executed yet or is normally completed.
An error has occurred when the mode (Mode 1, Mode 2, Mode 3,
Default setting mode) selected by SELECT operation was executed.
Flashing The error location can be confirmed by the ON/OFF status of the
following LEDs.
"RUN" "CF CARD" "CH2 SD/RD" "USER"
ERR. LED off
On ERR. LED flashing : Indicates the location of the error that occurred by
Flashing Mode 1 in execution
ERR. LED off
On ERR. LED flashing : Indicates the location of the error that occurred by
Flashing Mode 2 in execution
ERR. LED off
On ERR. LED flashing : Indicates the location of the error that occurred by
Flashing Mode 3 in execution
ERR. LED off
On ERR. LED flashing : Error occurred during execution of Default setting
Flashing Default setting mode in execution
Refer to Section 18.5 for the hardware self-diagnostics function.
This section (2), (3))
Description
: Mode 1 selected
execution of Mode 1 to 3.
: Mode 2 selected
execution of Mode 1 to 3.
: Mode 3 selected
execution of Mode 1 to 3.
: Default setting mode selected
mode
5.4 Parts Names and Functions
1
2
3
4
5
6
7
8
5
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