
3 Trouble shooting
Flashes Error name
Over tem-
perature
main
controller
PCBA
6
5
7
8
5
Diagnosis
Motor
blocking or
hall sensor
abnormality
When the motor starts or is
already running, if it encounters
the motor stops then this error
code is shown. If the communi-
when the motor is running, then
the motor will stop and this error
will be shown. If the motor uses
hall sensors, and the signals from
them is abnormal, this error
message will be shown.
motor from turning, this error will
be shown.When hall sensors
are used, breakages or
wires can cause this error.
1. Clean the motor and check
it will turn freely and that the
drive line and gearbox run
smoothly.
check the connectors in the
tool are fully inserted to their
3. Check for wire damage.
Check the ribbon cables,
coloured high current wires.
4.
Replace the main controller PCBA.
Switch logic
abnormality for the tool has not been
followed.
An error will be shown if the correct
This includes pressing the trigger
or pulling the safety arm, depending
on the tool.
1. Check the trigger so it is not
stuck, and clean it.
2. Check trigger switch and
3. Check wires and connectors
are ok.
4
.Replace the main controller PCBA.
of the main controller PCBA
value.
The main controller PCBA includes
the MOSFET power drivers. When
in use these devices get hot. Under
considered normal. This error
indicates that the main controller
PCBA has become too hot, usually
meaning the MOSFETs are too hot.
1. Clean cooling vents inlet and
outlet side.
2. Clean the machine.
3. Check motor fan is ok.
4. Check cooling channel
5.
Replace the main controller PCBA.
check the connectors in the
tool are fully inserted to their
7. Check for wire damage.
Check the ribbon cables,
coloured high current wires.
8. Replace the main controller PCBA.
Low Input
voltage
is below the minimum
requirement for tool
voltage depends on the nominal
discharged below 55V. The tool
will indicate an error if the
measured voltage is too low. The
tool will respond normally when a
check the connectors in the tool
halves.
3. Check for wire damage.
Check the ribbon cables,
coloured high current wires.
4.
Replace the main controller PCBA.