19
LCD DISPLAY FAULT CODE
LED Display
Possible Cause
Remedy
Low battery
Low voltage
1. Charge the battery.
2. Check the voltage detection circuit of the controller.
Traction error
Drive motor wire connection
open
Check if the drive motor and electromagnetic brake are
normal.
High temperature
Controller temperature is
too high.
1. Whether the machine has been overloaded and
climbing continuously for a long time.
2. Whether the motor is overloaded because the machine
has cleaned the extremely rough roads for a long time.
3. Whether the controller installation position is well
ventilated or other heat sources are there.
4. Check the temperature detection circuit of the
controller.
Brush overcurr
Brush motor current is too
high.
1. Check if the machine has been working on extremely
rough roads for a long time.
2. Check the brush motor.
Vacuum overcurr
Vacuum motor current is too
high.
Check the vacuum motor.
Vacuum open
Vacuum
motor
wire
connection open
The vacuum motor is faulty or the connection is
disconnected.
Brush open
Drive motor wire connection
open
The brush motor is faulty or the connection is
disconnected.
Fjmk overcurr
Brush deck push rod motor
over current
1. Check whether the machine is blocked
2. Check the brush deck push rod motor.
Bjmk overcurr
Squeegee assembly push
rod motor over current
1. Check whether the machine is blocked .
2. Check the squeegee lifting push rod motor.
Prechange error
Charge failure
1. The battery voltage is low.
2. Check the controller.
Pedal error
Accelerator pedal release
issue
1. Step on the accelerator pedal when the key switch is
turned on.
2. Check whether the input voltage of the pedal is normal,
