Check whether the pressure line of the crystal head is correct, and press the crystal head heavily.
Check if there is a short circuit between the live wire input Lin5 and the high power output L OUT21.
The white blue and blue wires of the switch panel are short circuited somewhere. Recheck the circuit.
There are four digits 1-4 on the dial, and the corresponding numbers are 1, 2, 4, and 8 respectively. Dial up to open, dial down to close, according to the dial code set on the setting table..
What should I do if the corresponding light bulb is not controlled when the button is pressed, but other light bulbs can be controlled?
Check if the blue, white and blue wires are connected correctly. The common problems are that the line does not correspond to the terminal interface, and the line is broken.
Check the white and orange wires of the switch, whether the brown wires correspond to the white orange and brown wires of the treasure box, and measure whether the output voltage of the white orange and brown wires of the treasure box is DC+12 volts. If the lines and products are normal.
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