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I want to know the phase sequence, for example if two phase are reversed, L1-L3-L2, light a led, and everything is ok L1-L2-L3 my led stay off
Use a flip-flop. Connect the clock to L2, and the input to L1. If the output is high, then it's L1-L2-L3, if low it's L1-L3-L2. (Obviously condition the signals so that they are compatible with the logic level flip-flop). If you add more flipflops in the same way, you can probably detect missing phases.
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