EMS Hu-Friedy AIR-FLOW S2 Notice D'utilisation page 89

No ultrasonic oscillations when the
footpedal is activated
Decreasing or insuffi cient ultrasonic
power
Air and/or powder is leaking from
the threads of the cap of powder
chamber
Water leakage between handpiece
cord and handpiece
Leakage on the unit water supply
• Switch on the unit with the power switch
• Check if the airfl ow handpiece cord is in its holder
• Check the air connection of the unit
• Check the connections between the unit, the handpiece cord and the handpiece
• Check the connection of the footpedal
• Change the handpiece
• Send the unit to an approved Hu-Friedy & EMS repair center
• Make sure that the instrument is properly positioned
• Check the wear of the instrument and replace it if necessary
• Change the handpiece
• Send the handpiece to an approved Hu-Friedy & EMS repair center
• Check the seal and the cleanness on the thread of the powder chamber and of the cap
• Replace the seal if necessary
• Clean the cap and the powder chamber
• Change the cap
• Send the unit to an approved Hu-Friedy & EMS repair center
• Check the O-ring on the handpiece cord
• Send the handpiece cord to an approved Hu-Friedy & EMS repair center
• Check the water supply connection
• Change the water supply hose with connector
• Send the unit to an approved Hu-Friedy & EMS repair center
73