Maintenance methods are as follows
1. If the lamp flicker fault is caused by the circuit problem, you can check whether the neutral line and the live line at the switch socket are connected, in the actual process, you can use the pen, multimeter and other tools to judge the neutral line and the live line, if there is a wiring problem, rewiring can be.
2. If there is a problem with the drive power supply, replace a suitable drive power supply, and the new drive power supply must be matched with the lamp bead.
3. If there is a problem with the heat dissipation of the lamp, causing the drive power to turn on the overheating protection, you can apply a layer of heat dissipation coating on the lamp shell.