6. Fault codes
Possible causes of failure
Short circuit,
overcurrent
Check the motor connection for short
circuit; check the motor insulation; replace
the driver;
Check if the battery specification matche;
Avoid slamming downhill braking with
heavy loads；
Parking brake；After the handle is
reset, the next operation is performed
at a lower speed;
Check battery voltage and charger
Check battery voltage and charger;Check
the battery cable, whether it is loose
Parking brake;After the handle is reset,
run at lower speed and lower torque;If
the temperature is lower than the
alarm value, the handle will be reset
and normal operation will resume;
Avoid exposing the pallet truck to high
temperatures; avoid prolonged overloads
Overcurrent,
loss of control
Check the motor and encoder connection;
whether to match the motor; replace the
driver;
Parking brake;After the set time and
the handle is reset, normal operation is
resumed after the alarm value is lower
than the alarm value;
Avoid prolonged overload;
Verify that the driver and motor are
adaptive;
Check whether the drive wheel is stuck,
etc.; check the motor V, W connection
sequence;
Please check the motor connection
Check the brake holder connection
Encoder Hall
signal
abnormal
Check encoder wire; Replace encoder;
Replace driver; Replace drive wheel
Abnormal
accelerator
command
signal
Handle signal is not in the normal setting
range; handle type setting of the driver
parameter error; check the connection
between the handle and the driver
Parking brake;When the handle is
released back to the neutral position, it
will return to normal
The handle is not in neutral position when
the power is turned on or after emergency
reverse operation
Handle CAN
communication
abnormality
Confirm the connection; confirm whether
the parameter settings match
14
7. Hydraulic schematic
Hydraulic schematic
15
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General