| Problems | Reasons | Solutions | 
| Insufficient flow of filtered water. | Filter is blocked by dirt. | Wash the filter. | 
| The massage pump of the Jets does not work.  Spa does not work.  | The cable of the digital control panel is disconnected from the board. No electrical supply. Differential is disconnected.  | Connect the cable to the board.  Check that the pump is connected to the electric control panel. Connect the differential.  | 
| The massage pump of the air Blower does not work. | The cable of the digital control panel is disconnected from the board. No electrical supply The pump has disconnected owing to overheating.  | Connect the cable to the board.  Check that the pump is connected to the electric control panel. Let it cool for about 3 hours and then start-up the pump again.  | 
| Water leaks out through the Venturi. | Jets are closed.  Jets are not properly installed. The outer trim of the jet turns a quarter to open and close the water flow. If this trim makes a complete turn, it is not properly installed, and the jet will have to be removed and then placed correctly.  | Open the jet.    Remove the jet. Pull the outer trim about 2 cm. Unscrew the jet turning anti-clockwise. Once it has been dismantled, replace the jet, by screwing in a clockwise direction. Press the outer trim back into place.  | 
| Limited airflow in the Jets. | Venturis are closed. | Open the Venturis. | 
| Reduced airflow. | Starter brushes of the motor are worn. | Change the pump. | 
| The water does not reach the required temperature. | Probe is damaged. Check programmed temperature.  | Replace the temperature probe. Programme the temperature.  | 
Note: In the section 7. Error messages, you can finde the diagnosis messages meaning to solve possible breakdowns.