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(Fig. 1)
Flashing LEDs on the tool's Battery Charge Indicator 3 serve as error messages.
State of LEDs
flashing, middle light off
Problem
Tool will not start.
Stud Finder Indicators will
not illuminate.
32
1600A034F4 AA Dremel DD12V OSI 20240729.indd 32
1600A034F4 AA Dremel DD12V OSI 20240729.indd 32
Troubleshooting
No flashing lights
Center light flashing
Left and center lights
flashing
Left and right lights
Cause
Battery Pack 17 not
charged.
Battery Pack 17 not in-
stalled properly.
Battery Pack 17 tempera-
ture is too hot or cold for
operation.
Variable Speed Trigger
Switch 1 does not travel
enough to actuate tool.
Burned out Trigger Switch
1.
Stud Finder's Sensor Area 9
not flush with wall.
Tool has no power.
Meaning
No errors.
Battery Pack 17 or tool are overheated. Al-
low the tool to cool before using again.
Reduce pressure and load on tool.
Replace the battery pack.
Corrective Action
Charge Battery Pack 17 if
needed.
Confirm Battery Pack 17 is
locked and secured to the
tool.
Let Battery Pack 17 sit a
few minutes at permitted
ambient temperature until
it reaches normal operating
temperature.
Disengage Lock-Off Button
3 as described in "Forward/
Reversing Lever and Trigger
Lock" on page 17.
Have Trigger Switch 1
replaced by an Authorized
Dremel Service Center or
Service Station.
Place Stud Finder's Sensor
Area 9 against wall with
firm but light pressure and
follow steps in "Operat-
ing the Edge-Finding Stud
Finder" on page 24.
Follow the corrective action
for "Tool will not start."
7/29/2024 5:00:24 PM
7/29/2024 5:00:24 PM
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