Troubleshooting - Eighteeth UltraMint Pro User Manual

8. Troubleshooting

When trouble is found, check the following points before contacting your
distributor. If none of these are applicable or the trouble is not remedied even
after action has been taken, the product may have failed. Contact your
distributor.
Malfunction
The LED digital tube and
the corresponding
button indicator on the
rear panel are not lit
after power on
After the power is turned
on and the foot pedal is
pressed, the tip does not
vibrate and there is no
water spray
After the power is turned
on and the foot pedal is
pressed, the tip does not
vibrate but there is water
spray
After the power is turned
on and the foot pedal is
pressed, the tip vibrates
but there is no water
spray
There is still water spray
after releasing the foot
pedal
Handpiece heat
The water spray is too
small
8 Troubleshooting
Causes
Fuse is damaged
Poor contact of power
plug
Poor foot pedal
contact
The tip is loose
Tail wire failure
Handpiece failure
The connecting plug of
the tail wire and the
circuit board is loose
The water control knob
on the handpiece is
not on
There are impurities in
the solenoid valve
Blocked waterway
There are impurities in
the solenoid valve
Water control knob is
switched too small
Water control knob is
switched too small
Water pressure is not
enough
Methods
Replace T0.5AL 250V fuse
Plug in the power plug
properly
Plug in the foot pedal properly
Tighten the tip properly
Contact your local distributor
or our company
Contact your local distributor
or our company
Contact your local distributor
or our company
Turn on the water control knob
on the handpiece
Contact your local distributor
or our company
Drain the waterway with
dental gun
Contact your local distributor
or our company
Switch the water control knob
to the maximum
Switch the water control knob
to the maximum
Increase water pressure
Page 28 / 36