Replacement Of Fuse; Maintenance Mode; Vacuum-Coupled Mode - NSK ULTIMATE XL Operation Manual

8. Replacement of Fuse

Fuse is located in 15 Fuse Box. Release ratchet
clamp located on the right-and-left top and
bottom of the Fuse Box and pull it out to
15
change the fuse (T3.15AL250V). (Fig. 6)
When the fuse come down, Insert new fuses
(T3.15AL250V)into the 15 Fuse Box and then
push the 15 Fuse Box into the original position
until hearing a sound click.(Fig.6)
- Fuse: Order No. (120V) : 12001-31510
- Fuse: Order No. (230V) : 12001-16010
CAUTION
Fuse is burned out when a short circuit occurs or when over-voltage is flowed into the
primary current source. If the cause is uncertain, return the product to an authorized
NSK's service shop for inspection.

9. Maintenance Mode

The unit is provided with a maintenance mode to check the function of the switches, display,
Foot Pedal, motor, etc. While pressing 8
the same time, turn on the Power Switch and keep pressing the button until beeps are made
(for about 2 seconds). At this time, turning the volume from the minimum position in order
displays "oP", "dP", "HL", "Pd" and "in", allowing the following checks. To release Maintenance
Mode, turn Power Switch off and switch on again.
(1) "oP": Switch check
(operation check)
Press the switches on the panel, and the right and/or left lamps will light to check to see if
the switches operate normally.
(2) "dP": Display check
7
Press Forward/Reverse Selector Switch, and the lamps will light one by one to check to
see if they operate normally. To cancel this check, press
again.
9
Hand/Foot Selector Switch and Motor Switch at
7 Forward/Reverse Selector Switch
10
(3) "HL": Motor signal check
Press Forward/Reverse Selector Switch, and
horizontal lines. Turn the motor slowly by hand, and this display will change to one line, two
lines, one line, two lines, smoothly from the top to bottom or from the bottom to top. If any
one of the three lines does not light, the sensor (Hall IC) in the motor is faulty or the cord is
severed, therefore repair is needed. To cancel this check, press
Switch again.
Eg. 2 3
Fig.6
(4) "Pd": Foot Pedal check
Press Forward/Reverse Selector Switch, and
7
Indicator changes in hexadecimals ( 0~9, A~F ) according to the amount of depressing
Foot Pedal . Also, depressing the pedal slightly lights Reset Lamp, and depressing it fully
3
extinguishes the lamp. If
light properly, 3
Selector Switch again.
(5) "in": Initializing function
Press 7 Forward/Reverse Selector Switch, and beeps will be made and rotation direction,
HAND/FOOT and other settings will return to the factory set condition.

10. Vacuum-coupled Mode

On some dental tables with vacuum dust collector, the motor may be used while being coupled
with a dust collector. When such a dust collector * is used, power consumption of ULTIMATE
XL can be regulated so that the vacuum-coupled function can work. If you need coupling with
a vacuum dust collector, select the mode as follows:
How to select the mode
While pressing 7 Forward/Reverse Selector Switch, turn on
can be selected. A long beep indicates vacuum-coupled mode and 2 short beeps indicate
non-coupled (energy-saving) mode.
* Each time the switch selection is made, the mode changes between vacuum-coupled mode
and non-coupled mode.
* A currently known dust collector is KAVO EWL-560.
(Hall IC check)
Indicator will indicate one or two
4 A b C d C b A 4 3
11 Indicator will change. During normal time,
11 Indicator does not change smoothly or Reset Lamp does not
Foot Pedal may be faulty. To cancel this check, press
Rotation direction: FWD (forward)
HAND/FOOT: HAND
Vacuum-coupled mode: OFF
4
11
Forward/Reverse Selector
2
Forward/Reverse
7
Power Switch, and the mode