What to do if my Nilfisk-ALTO Pressure Washer is scaled and the light is flashing?
- ZzpopeAug 17, 2025
If the Nilfisk-ALTO Pressure Washer is scaled and the light is flashing, refuel the detergent or set the SDR value to “0“. Turn the main switch to the “OFF“ position and let the machine cool down. Also, remove or disconnect the extension cable.