Area：Sri_Lanka

Message:

We have 8 PQ160C Motor Graders and there is 2 machines have same problem. They cannot works in different speeds in Auto mode as well as normal gears. it start very speed and suddenly become very low speeds. all gears both side can get same results. with that display indicates parking brake alarm though we off the parking brakes. please give some sort of solution as quick as possible for those matters.