Hunan Chendong Technology Co., Ltd.

1.Synchronized Flashing Units Can"t work Simultaneously

A.Monitor Function Type Requires Power Line seperate from signal line,the power circuit of each unit can be independently connected,pls check signal circuit was connected by corresponding color when ensure power supply works normally.

B.Check if there"s short circuit or leakage phenomenon with the signal circuit after excluding the condition above.

2.Light-operated switch can"t work normally
A.The Unit can"t work at day: Pls check if the light-operated detector is closed over by dust;
B.The Unit can"t work at night: Pls check if light-operated detector is influenced by direct light or strong reflective light;
C.Testing the unit at day: Most of customers test the unit by Closing over the light-operated detector using their hands.Since the strong Radiation of sunshine,the light-operated function can"t work.The proper method is using 3 layers of black opacity adhesive tapes.

3.Are you the Manufactory or Trading?

Our company is professional Manufactory to produce the Aviation Obstruction light.

4.What Kind of Package you choose?

As usual,we use the Carton Box; If delivery by sea,we will use the Wooden case to pack.