| 摘要 |
The invention relates to a method for releasing the fail-safe mode of a multi-function switch caused by a bad contact of a mono-directional series communication line between the multi-function switch and an in-panel controller, the method comprising the steps of: prompting the in-panel controller to turn into a fail-safe mode, record an error code, and stop the control of the multi-functions if a sleep mode signal is not inputted from the multi-function switch to the in-panel controller while the multi-function switch is in its sleep mode; and prompting the in-panel controller to determine whether the multi-function switch is in its normal status after turning into the fail-safe mode, to release the fail-safe mode if the multi-function switch is in its normal status and to control the multi-functions according to the data input from the multi-function switch.
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