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D. Conclusion: after the above three steps, check the side rail control panel, if it still unresponsive,
means the control panel is damaged, and should be replaced.
4.3 Test method for unresponsive foot board control panel
Step 1, check if the emergency stop switch is pressed
A. Check the content: if the emergency stop switch is pressed;
B. Check method: turn the emergency stop switch clockwise to open(it bounces out for a short
distance), see pic.2-1;
C. Problem determination： if the emergency stop switch pops up, it means that it has been pressed;
if the emergency stop switch doesn't pop up, it means that it is already in the open state, and there
is no need to rotate it;
D. Conclusion: after the above three steps, check the side rail control panel, if it still unresponsive,
move to the Step 2.
Pressed state
Open
Pic. 2-1
Step 2, check whether the guardrail buckle is loose or the pin cores are deformed
A. Check the content: foot board buckle is loose, pin cores are deformed;
B. Check method: follow the connecting line of the foot board, find the foot board adapter，see
pic.2-2;
C. Problem determination: buckle is loose, as on pic.2-2 lock the buckle; pin cores are deformed,
using a flat-blade screwdriver rectify pin cores, make sure it's connected tightly with the adapter;
D. Conclusion: after the above three steps, check the side rail control panel, if it still unresponsive,
move to the Step 3.
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