hola
error 4 y 5-
mira el el controlador a mano izquierda veras 2 pares de cables (un par rojo y negro y otro par rojo y negro).
el conector de estos cables se suelen quemar
esos cables son los de f1 y f2 de cada motor de traccion

Littoral translation
hello
mistake 4 and 5-
look at the left hand controller you will see 2 pairs of wires (one red and black pair and one red and black pair).
the connector of these cables tend to burn
Those cables are those of f1 and f2 of each traction motor

Hello, thanks for answering
Now i have fault 2 on display... Can you please give me description of that fault

R VMN HIGH
High voltage on the
power outputs of
the right traction
motor.
Check that the power connections of the motor
are correct.
Check that there is no insulation loss in the
motor.
Check that there are no short circuits between
the phases and the battery positive.