Hello ,
we have Hyster J2.50XM , suddenly we had error 52 and 90 which indicates problem in traction sensor and temperature sensor and the forklift was moving very slow and only at certain position of the speed pedal , we changed the speed sensor , now there is no error but the forklift is moving very slow and kicks and i noticed that the controller output current to the motor is going up high to over 80 AMPS then drops to 0 , I assume that is what causing the kicks , but we dont know why is going slow or doing these current jumps.