- The intensity is too high or too low: press the + or - to increase or decrease the intensity.
- The intensity is too high or too low: choose a different treatment program.
- The electrodes are not in the right place. Switch off the treatment units and detach them from the electrodes. Remove the electrodes from the skin and move them to a slightly different place.
- The electrodes are not properly attached. Switch off the treatment units and detach them from the electrodes. Check if the electrodes are attached to the skin properly.
- The electrodes are too dirty. You can try to clean the electrodes (see chapter 'Cleaning'). If this does not help, replace the electrodes.
- The electrodes are worn. Replace the electrodes.