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DAHON UNIO E20 Quick Start Manual page 8

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Error Code icon
Error Code No.
2
Code
3
Code
4
Code
5
Code
6
Code
8
Code
9
Code
DESCRIPTION
Excessive electric current is detected inside the controller, and a
protection mechanism is implemented.
Check whether the three-phase power cable terminal connector is
short-circuited.
If there is no short-circuit, restart it.
If this state still occurs, means the internal power device of the
controller is damaged.
The motor's three-phase power cable has fallen off, loosened, or
the motor has stopped operating for more than 2 seconds, or the
load is too heavy and the motor cannot operate normally, or the
power input isn't connect properly.
If this state still occurs after restarting, it is the reason for the poor
connection of the three-phase wires of the motor.
The voltage of battery is excessively low; the battery is under
voltage protection.
This error code can detect whether the brake lever is damaged
under normal conditions.
The error code should disappear after the brake is released.
The power system detects whether the torque signal is faulty on the
system.
The electric circuit system detects whether the internal electric
current loop components of the controller are damaged, or the 5V
loop is short-circuited, and if there is, the status will be displayed.
The battery voltage needs to be checked at all times when the
circuit system is operating.
If the battery voltage is >43.5V, it means that high voltage
protection occurs, or the cable sequence of the sensor is
connected incorrectly, and the system will stop operating and
display this status.
07

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