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● When the reactive force control (RFC) is triggered
When the RFC is triggered and the motor stops, turn
off the tool's switch and remove the cause of the
overburdening before continuing operation.
ABOUT THE PROTECTION FUNCTION
This tool has a built-in protection circuit for preventing
damage to the unit in the event of an abnormality.
Depending on the following, the display lamp and the
indicator lamp will fl ash, and the unit will cease to operate.
Verify the problem indicated by the fl ashing and take the
necessary steps to correct the problem.
When pressing the changeover switch, do so when the
switch is not being pulled.
Changeover switch
Display lamp Indicator lamp
20
Fig. 31
Fig. 32
Display
lamp
Cause
fl ashing
Operation has
ceased because
the internal
temperature has
exceeded the
temperature limit.
(High temperature
protection function)
Sudden
overburdening of
the tool bit has
activated the RFC,
stopping further
operation of the
tool.
RFC (See page 19
"REACTIVE
FORCE
CONTROL")
NOTE
Despite taking steps to correct a problem, the display
lamp may continue to blink. Should this be the case,
the unit may require repair. If so, please contact the
outlet from which this product was purchased for
repairs.
Table 6
Solution
Allow the unit to cool
for 15 to 30 minutes.
When the
temperature goes
down and the display
lamp and the indicator
lamp blinking stops,
pull the switch trigger
to recover operation.
Release the switch
trigger and leave it
until the display lamp
blinking stops. Pull
the switch trigger
again to recover
operation.
Before continuing
operation, remove
the cause of the
overburden.
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