OKAI ES400A - Maintenance Instruction; Error Code; Error Code Instruction and Solution

22
Maintenance Instruction
Error code
Error code instruction and solution
Error
code
Error name
Error cause
The solution
02E
Battery under voltage
The ECU detects that the battery voltage is under 43V.
⚫ Charge the battery, the error code will go away.
⚫ Change the ECU.
⚫ Change the battery.
The sampling circuit of the ECU is damaged.
The battery is damaged.
03E
Motor phase line fault
During self-test when unlocking, the ECU detects the motor phase line is
short-circuited.
⚫ Check if the connection between the ECU and the
motor is short- circuited.
⚫ Change the Motor
⚫ Change the ECU.
04E
Motor stalling
When the motor isn't rotating, the drive current is higher than 6A for 2.5
seconds.
⚫ Dismiss locked-rotor state.
⚫ Check if the connection between the ECU and the
motor is short- circuited.
⚫ Change the Motor
⚫ Change the ECU.
05E
ECU upper MOSFET damaged
During self-test when unlocking, the ECU detects the upper MOSFET is
⚫ Change the ECU.
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