YZ-X5
12
Controller Troubleshooting Instructions
● Controller disassembly:
1. Unscrew the battery cable to keep the machine powered off; use an M4 Allen
key to unscrew the plastic head fixing screw and open the plastic head box.
2. Unplug the control panel cable and the connector port of the controller, unscrew
the positive and negative wiring of the controller, and the positive and negative
wiring of the walking motor; unscrew the fixing screws of the controller and the iron
plate of the machine head, and the controller can be disassembled.
3. The reverse process of controller installation and removal.
(Note: When the controller is wired, the positive and negative wires cannot be wrongly
connected)
Tip: When the machine is out of power or cannot be moved due to failure, push down
the handle of the drive motor to release the electromagnetic brake function, which can
be easily pushed.
Controller LED
flashes
Fault description possible reason
Flash 1 time
low voltage fault Battery voltage is too low
Flashes 2 times in a
row
Motor open
circuit fault
Motor wiring is open
Blink 3 times in a
row
Overcurrent/Mot
or Short Circuit
1. Long-term overload
operation;
Flashes 5 times in a
row
High/low
temperature
2. Motor short circuit/motor
wiring short circuit
Blink 6 times in a
row
Charge inhibition 1. Long-term overload
operation;
Blink 7 times in a
row
Jerk failure
2. The electromagnetic
brake is not released
Blink 8 times in a
row
Control failure
Charging
Blink 9 times in a
row
Electromagnetic
failure
1. Force speed high/low out
of range;
Blink 10 times in a
row
High voltage fault2. The accelerator tap is off
