hello i have a S50ft ser h187v03072n code is 555762-4 tsp switched battery ing 3 oorl i believe it is in the vsm i checked the pdm and is ok relay ok What is odd is the dash has the battery symbol and it flickers ,when key on before starting The forklift runs and hyd is working fine but i can not make it drive in either direction , Is there a walk around this problem or do i have to buy a new vsm/controller ? it has Manual hyd with operator presents any help would be wonderful thanks i will let you know what i find to fix this ? Ed