Mitsubishi Electric MELSECQ Series User Manual page 121

8
TROUBLESHOOTING
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POINT
(1) When another error occurs during error occurrence, take the following action.
• When an error code from 100 to 600 occurs, the latest error code is
ignored and the error code stored before the latest error code is held.
• When an error code from 810 to 850 occurs, the error code is overwritten
as the latest one.
(When an error code 810 occurs, it is stored to the error code (Un\G20) of
the relevant channel. When an error code from 820 to 850 occurs, any of
the error code from 820 to 850 is stored to the error codes (Un\G20) of all
channels.)
(2) An error code can be reset with the error reset command (Un\G21). After
fixing the error cause, reset the error. If the error cause is not fixed, the error
code is stored again to the error code in the buffer memory (Un\G20) when
the error cause is detected again.
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8.5 Error Codes List
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