PPM 280 ATT works but several functions not well

payload weight : 1650 kg. not in good shape several functions dont work = More information = Axle 1: Tyre size: 385/95R24; Tyre profile: 50% Axle 2: Tyre size: 385/95R24; Tyre profile: 50% = Dealer information = Please mention always the stocknumber by your demands ( 8 digits) Buying with Smz-Smeets & Zonen : - since 1976 in business : trustable company/selling17000 units yearly/65.000 units sold; 1000 on stock. - service A-Z worldwide, Top loadings for cheaper transport. Worldwide shipping- transit plates (not included) - selling all new + used parts tyres, oils : parts@smz.be We advertise with our lowest prices. Check www.smz.be to see our complete stock and specials we are located on a 130.000m2 , 20.000m2 storage,work and bodyshop fully equiped. See our company video: https://youtu.be/o35_KfBWjiM