11
12
１１.
Maintenance and Inspection
●Please check if there is some damage or not on the case and cord.
●Please check if there is accumulated dust, oil, water and so on.
※Please make sure to perform maintenance and inspection properly.
■
Neglecting maintenance and inspection could result in accident and/or failure.
Warning
※If the symptom is not improved after corrective action, the handpiece might be defective. Please ask for repair.
※Any other troubles or obscure points, please contact our minitor dealer.
１０.
.
Before Asking for Repair
Condition
Investigation
Corrective action
Power is not ON.
Please plug an AC cord.
Is an AC cord unplug?
The handpiece does not work.
Insert the cord securely.
Is the cord of handpiece connected to the Power Pack properly?
Wait until cooling down because power supply
of Power Pack is overheated.
Is "oH" indicated on display?
You can use foot switch only.
Does a foot switch connect with a power pack?
Display does not turn on.
Is handpiece working?
Display does not turn on while handpiece is not working.
"oH" is indicated on display
while handpiece is not working.
Is power supply of Power Pack becoming hot?
Wait until cooling down because power supply
of Power Pack is overheated.
Is lamp of ULTRASONIC ON/OFF switch
lighting as blue?
If NOT, press ULTRASONIC ON/OFF switch,
press hand switch or turn foot switch on.
Is power control knob indicating min. position?
Turn and adjust the position of power control
knob.
Is there any slackness of installation on tool
or holder?
Make sure that tool and holder are installed
certainly.
Is tool other than metal installed on
handpiece?
No vibration or weak vibration.
Metal tools can transmit vibration better than
tools other than metal. Decrease value
indicated by power control knob to prevent
heating or use VOLTAGE CONTROL mode.
Is there any slackness of installation on tool
or holder?
Make sure that tool and holder are installed
certainly.Decrease value indicated by power
control knob if tool and holder loosened frequently.
Vibration becomes weak while
working.
Is there any damage such as burn and crack
on tool?
Form tool or change to new tool. Decrease
value indicated by power control knob if tool
and holder were damaged frequently.
"HP" is indicated on display
when turning handpiece on.
Is there any slackness of installation on tool
or holder?
Make sure that tool and holder are installed
certainly.
Is value of amplitude amount or drive voltage
too high?
Decrease value indicated by power control knob
or use VOLTAGE CONTROL mode.
Tool is easily damaged.
Is there any damage such as burn and crack
on tool?
Form tool or change to new tool. Decrease
value indicated by power control knob if tool
and holder were damaged frequently.
Handpiece makes abnormal noise
while working.
Is there any slackness of installation on tool
or holder?
Make sure that tool and holder are installed
certainly.Decrease value indicated by power
control knob if tool and holder loosened frequently.
Is temperature of tool too high?
Decrease value indicated by power control
knob.
Is there any problem on above 3 checking
questions?
In case there is no problem on 3 points to be
checked, decrease value indicated by power
control knob.
１２.
Others
●This product is using switching power supply and transformer is driven by high frequency.
Mechanical sound may be heard from transformer and other parts, but it is not abnormal.
"oL" is indicated on display
frequently.
Is there any slackness of installation on tool
or holder?
Is POWER MODE activated?
Make sure that tool and holder are installed certainly.
Or, use handpiece with turning POWER MODE off and
decrease value indicated by power control knob.
Insert the cord securely.
Is the cord of handpiece connected to the Power Pack properly?
