Clean the water inlet filter

  1. Make sure the device is off.
  2. Remove the water supply.
  3. Unscrew the garden hose coupling (Figure 1, pos. 2).
  4. Pull out the filter (Figure 1, pos. 1).
  5. Clean the filter under running water.
  6. Put back the filter.
  7. Put back the water garden hose coupling.
Figure 1.