Mitsubishi Electric MELSEC Q Series User Manual page 71

(d) Execution of initialization
Perform the following operations to execute initialization.
(e) Countermeasures for abnormal completion
Flashing of the ERR.LED indicates abnormal completion.
When any error has occurred, take initialization steps again. If failure is detected again, any hardware error
may exist. Please consult your local Mitsubishi service center or representative, explaining the details of the
problem.
1.
Move the RESET/SELECT switch to the RESET position.
2.
Check that the MODE LED goes off.
3.
Move the RESET/SELECT switch back to the center.
4.
Check that the MODE LED turns on in orange.
During initialization, RUN LED and USER LED are flashed.
5.
Check that the RUN LED and USER LED go off.
The MODE LED flashes.
6.
Move the RESET/SELECT switch to the RESET position.
7.
Check that the MODE LED goes off.
8.
Move the RESET/SELECT switch back to the center.
9.
Check that the MODE LED is lit orange.
CHAPTER 6 HARDWARE OPERATIONS
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