Ultrasonic Scaler & Air Polishing Prophylaxis System Repair.

• No Power ON indicator.
• No water flow to insert tip or handpiece overheats.
• Continuous water leak.
• No insert cavitation.
• Service Indicator blinking.
• Service Indicator illuminated.
• Air Polishing Insert nozzle blocks repeatedly.
• No bleed air.
• No or poor cleaning action.
• Continuous powder agitation.