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Check whether the phase wire and the neutral line are broken, if not, the general situation is that the LED driver power supply is broken, just buy another one according to the model and replace it. The probability of the LED driver power supply being bad is relatively high.
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You have said that there are 5 kinds of lighting effects, which lighting effect does not light up or does not light up at all?
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Maybe the lamp driver is broken, try to change it.
Check the remote control battery first.
Electrician's light line jumped wrong, just find an electrician to jump off the line.
It should be LED + on, and the fourth switch link line may be in poor contact.
Ceiling lamps generally only need to be adjusted to the material of the spontaneous lamp, and then hit the target lamp, and the lamp should not exceed 500CD, and the global light is used at the same time.
Analyze, the remote control works, indicating that there is no problem with the lamp and ballast. The switch doesn't work, then there is only one problem, there is a problem with the switch you installed!