LED lamp power off why would light up
LED lights turn off the light: 1, the switch is cut off the zero line, you can change the line.2, share change in induction. Switch off zero line with switch.No electricity and no effect on the light, so ignore it.
To understand electricity, CBB downlight electric capacitor in the AC input terminal 2 connection between bridge above, 1 pressure capacity of 400V 0.22 micro method and above, good quality point, usually you can solve your problem.
The distribution of capacitor connected switch contacts of parallel line formation (originally existed), after turning off the switch can still trace by alternating currentYou used a small light source lamp power LED lamp (mA current to shimmer)The combined effect of the above.
LED lamp power off, will light up, this situation is normal in the 220 electric power supply situation, reason is caused by the distributed capacitance charge discharge line.Because the switch and the lamp is connected with 220V/50Hz AC power supply is normal, directly added to both ends of the lamp, the lamp work light; when closed, switch capacitor and lamp itself and the line is connected to the alternating current of 220V/50Hz, because the distributed capacitance of the charge and discharge can form weak current, the lamp will light.Solution: in the lamp circuit board input end in parallel with a pressure resistance of at least 400V of non-polar capacitor, capacity 0.05 micro method above (if the switch connection is longer, can be appropriately increased).
Is there an indicator on the switch? If it comes down, will it be ok?
