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7
ERROR CODES
Error Code
Error De-
scription
2
Self-check
failed
3
Battery pack
communica-
tion abnormity
4
Overcurrent
protection
5
Low-voltage
protection
6
Control board
over-tempera-
ture
7
Motor stalling,
motor out of
step, motor
hall signals
abnormality
8
Switch logic
abnormality
9
Software cer-
tification ab-
normality
10
Motor over-
temperature
11
Battery pack
over-tempera-
ture
English
LCD
Possible Cause
Blinking
Times
2 short
The control board fails the self-test,
causing the motor to stop.
3 short
The communication between the
battery pack and the control board
is abnormal. Or the connection is
abruptly interrupted during normal
communication.
4 short
When the motor is running, the
phase current exceeds the setpoint
protection value. Or the bus current
exceeds the set protection value.
5 short
The battery pack voltage is lower
than the motor start voltage, or the
battery voltage is less than the min-
imum operating voltage during op-
eration.
6 short
The operating temperature of the
control board exceeds the set pro-
tection value.
7 short
When the motor starts or runs, it
encounters resistance and the mo-
tor fails to continue running; there
is issue with the commutation dur-
ing motor startup or operation, re-
sulting in the motor being unable
to continue running; the Hall sen-
sor motor and Hall signal are ab-
normal.
8 short
The brake has been on; The start-
ing sequence of the motor is faulty.
9 short
MCU exception detected while run-
ning software certification code.
10 short
When the motor works or starts,
the motor temperature exceeds the
set protection value.
1 long, 1
The control board detected that the
short
battery pack temperature exceeds
the set temperature.
15
Possible Action
1.
Reinstall the battery.
2.
Restart the product.
Replace the controller.
1.
Reinstall the battery.
2.
Restart the product.
Replace the controller.
1.
Release the trigger.
2.
Restart the product.
Reinstall a fully charged bat-
tery.
1.
Wait for the controller
temperature to cool down.
2.
Restart the product.
1.
Release the trigger.
2.
Restart the product.
Replace the controller.
1.
Release the trigger.
2.
Restart according to the
right order.
Replace the controller.
1.
Reinstall the battery.
2.
Restart the product.
Replace the controller.
1.
Wait for the motor temper-
ature to cool down.
2.
Restart the product.
1.
Wait for the battery tem-
perature to cool down.
2.
Restart the product.
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