NSK Varios Combi Pro Manual De Operación página 35

(Powder Mode)
Problem
Alarms are heard, and "POWDER" and
the tooth icon blink alternately when
the Foot Control button D or B is
depressed.
Confirmation sound cannot be heard,
or the icon that indicates Prophy
Mode or Perio Mode is not displayed
when the Chamber is attached.
Air and powder are not supplied. Or
air and powder are supplied but the
pressure is not strong enough and
cleaning power is also weak.
Water leaks from between the
Handpiece and Handpiece Hose.
Cannot remove the Chamber because
the Lock Button cannot be pressed
* Cannot be fixed at clinics, etc.
Cause
The sensor built in to the Handpiece Holder is dirty
and mistakenly detects mounting of the
Handpiece.
Chamber is not attached securely.
Failure in the Control Unit (disconnection).
The inside of the Nozzle Tip is clogged with
powder.
The inside of the Handpiece is clogged with
powder.
The inside of the Chamber is clogged with powder. Remove powder from inside the Chamber by
Powder has partially solidified with water, etc., in
the air passage.
Powder container has been left open exposing
powder to the air.
Water is mixed in supply air.
The VCP Element is clogged.
The O-ring is scratched.
The button is locked
34
Remedy
Wipe the sensor clean.
Attach the Chamber securely until the
confirmation sound is heard.
Contact your Authorized NSK Dealer.*
Replace the Nozzle Tip.
Clean the Nozzle base with the supplied Cleaning
wire (small) and Nozzle end with the cleaning file.
In addition, clean the inside of the Handpiece with
the Cleaning wire (large). If powder and air do not
flow after being cleaned as described above,
perform Ultrasonic Cleaning with warm water.
(Refer to "9-2-3 Ultrasonic Cleaning.")
following the procedures in "9-4 Cleaning the
Chamber and Hose."
Remove powder from inside the passage by
following the procedures in "9-2-1 Auto-
Cleaning."
Dispose of the powder and use new powder.
Open the filter in the air supply circuit to drain the
compressor, and check that water has not
accumulated inside the air filter and compressor
drain.
Contact your Authorized NSK Dealer.*
Replace the O-ring in the Handpiece joint section,
apply a drop of the supplied turbine oil and rub it
in with your finger. (Refer to "10-1-2 Handpiece
Hose (for Prophy use and Perio use).")
Follow the procedure in "Releasing the Lock
Button" in "9-4 Cleaning the Chamber and Hose"
to release the Lock. If the symptom is not
resolved, contact your Authorized NSK Dealer.*