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16.5 Hardware Self-Diagnostic Function
16.5.1 Hardware self-diagnostic test and initialization setting of the Q12DCCPU-V
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TROUBLESHOOTING
(c) How to check the 7-segment LED diagnostics
To diagnose the 7-segment LED, repeatedly move the RESET/SELECT switch to
the SELECT position.
The indication of the 7-segment LED changes from No.1) to 8) as shown below by
every move of the switch.
Visually check that the segments of the 7-segment LED changes in the proper
order.
If any of them does not lit, hardware fault of the C Controller module may be the
cause.
Please consult your local Mitsubishi representative, explaining the details of the
problem.
1)
2)
3)
4)
5)
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7)
8)
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