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Anonymous users2024-01-23The three DC converters (three white boxes) are all broken.
The white color and the weak white light are due to the fact that there is also a very low output voltage, but the driving current is insufficient.
The other white box is the signal splitter (driver), which is not a power element and should not be broken.
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Anonymous users2024-01-22If the bulbs are all on, the driver is broken.
Because the three lights are connected in series, as long as one lamp is broken, all the lights will not be on, and the lamp with voltage at both ends has been broken, because the internal circuit of the lamp is open, so the voltage can be measured at both ends.
Brand lamp (300*300), about 150 yuan, ordinary dozens of yuan.
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By connecting the lights in parallel, you can control three lights with one switch.
It is during the renovation of your house that the renovation worker connected your zero line to the ground line in order to save trouble, which caused this result, and you need to change it.