Selecting A Mode In The Hardware Self-Diagnostic Mode; Switching To The Hardware Self-Diagnostic Mode - Mitsubishi Electric Q12DCCPU-V User Manual

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TROUBLESHOOTING

(3) Selecting a mode in the hardware self-diagnostic mode

MODE
RES.
16
- 79 16.5 Hardware Self-Diagnostic Function
16.5.1 Hardware self-diagnostic test and initialization setting of the Q12DCCPU-V
(a) Before switching the mode to the hardware self-diagnostic mode
Be sure to perform operations described in Page 16-77, Section 16.5.1 (2).
(b) Switching to the hardware self-diagnostic mode
1) Move the RESET/SELECT switch to the RESET position, and hold the RUN/
STOP/MODE switch at the MODE position.
2) Move the RESET/SELECT switch back to the center.
3) Check that the MODE LED turns on in orange.
(The 7-segment LED indicates "00".)
STOP MODE
RUN
RES.
SEL.
Figure 16.25 Switch operation for the hardware self-diagnostics mode
STOP
RUN
RUN
CF CARD
CH3 SD/RD
SEL.
MODE
On
ERR.
USER