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5. Refer to the picture below, switch cable <X.ECD>+<X.HOME>+X motor line with
cable <V.ECD>+<V.HOME>+V motor line
Turn on the power, check if X axis is homing normally during initialization. If it is, X
motor and motor line have no problem, the most likely cause is the malfunction of
X axis driver on the motherboard. Replace the motherboard and test.
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