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- Address: Building A, Jiatu Industrial Park, No. 2 Yijia Road, Jutang Community, Fucheng Street, Longhua District, Shenzhen
There are many possibilities for failure of the mall's swing gate. Litian swing gates list the common causes of failures in mall swing gates, and analyze in detail the situation where the swing arm swings back and forth or opens after the power swing gate.
Determine whether the extreme photoelectric switch is illuminated by strong light and close the cover. If you need to open the box or the cover, please use an opaque dark object to cover the upper limit photoelectric switch for debugging.
Detect the photoelectric limit switch a, check whether the zero, left and right limit photoelectric switches are energized, and check whether the wire ends are loose and in bad contact; enter the commissioning menu, turn the brake shaft to drive the hood to sequentially cut off the optical coupling of the left, zero, and right limit photoelectric switches Device
Check whether the limit photoelectric switch is connected to the motherboard reliably
If the extreme photoelectric switch and cable are normal, the motherboard will be damaged.
After the swing gate is effectively opened, the brake does not work
The motherboard indicator is normal. When the switch signal is issued, the indicator light flashes intermittently and the direction indicator light turns into a green arrow. Check the PC and PD output voltage at the PX terminal, and check whether the fuse is disconnected. When normal, check whether the MA and MB terminals of the PX terminal have voltage output. When there is output, check whether the motor connection is welded.
The motherboard indicator light is not on, and the LED digital tube is not displayed. Detect the voltage output of PA and PB at the PX terminal, and detect the fuse of the fuse.
If the above conditions are normal, determine the damage of the motherboard.