20
check the wiring of the J2 of pedal.
3. Check the wiring of J3 to J8.
Drive open
Drive motor wire connection
open
Check the drive motor and related wiring.
Drive overcurr
Drive
motor current is too
high.
Check the drive motor and electromagnetic brake.
Brake open
Electromagnetic brake open
circuit
Check the electromagnetic brake position and coil
resistance.
No LCD display
LCD display is broken.
Replace the panel.
No battery charge
notches and F6B6
on LCD display, and
voltage displays 0
after booting
1. The controller is not
powered on.
1. Check if there is voltage on the 5th pin of J2 of the
controller;
2. The signal cable between
the controller and the panel
is not connected.
2. Check whether the connection cable between J3 of
controller and J8 of panel is connected.
LCD display voltage
is 0 after booting
Communication
between
the drive circuit of the
controller and control panel
is not established.
Check whether the 5th and 6th pins of the controller J3
are connected to the J8 of panel.
The LCD does not
display the battery
charge notches after
power on
Communication
between
the vacuum circuit of the
controller and control panel
is not established.
1. Check if the 3rd and 4th pins of controller J3 are
connected to the panel.
2. Turn off the machine and restart.
CAUTION!
When there is a fault alarm, please turn off the power and wait 5 seconds
before restarting.