普高LED教育灯 国标教育 护眼防炫目 可定制
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教室灯常见的几种故障及维修方法:
1.LED灯暗淡。LED的极性接合。也可能是LED芯片时间过长,或者开关电源与LED电压标志不一致。确保正、负极接线正确,减少LED的连接,保证电源与LED电压标志一致。
2.所有的灯珠都不亮。开关电源无电压输出,开关电源输出接线是否正确。试电时,接通开关电源输入端的电源线正、负极是否正确。
3.部分线路LED灯不亮。插头的方向是否正确,电源的接线是否正确,电源线的插头是否反接。取下电灯珠对正方向的调整,确保红线接正极,黑线接负极,找出接反的线,重新接正。
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普高LED教育灯,欢迎前来询问!!!
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