2LS deceleration switch error. Door zone switch up Door zone switch down Door zone (1LV and 2LV active) not used, relevelling is initiated by TCB Load weighing switch 1 (not used for GeN2) Load weighing switch 2 (not used for GeN2) Up or down signal on (internal) Ready signal, PWM enabled (internal hardware protection) SW1, SW2 and BY relay dropped BY monitor Brake switch.