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9
Troubleshooting
If a problem occurs, always observe the charge-status and fault indicator of
the battery. See the section headed Status indicators of the Liion battery.
If the trouble you are experiencing is not listed in this table or you are unable
to rectify the problem by yourself, contact Hilti Service.
Trouble or fault
The control switch
can't be pressed, i.e.
the switch is locked.
The drive spindle
does not rotate.
No hammering ac-
tion.
Product switches off
automatically.
The battery runs
down more quickly
than usual.
The battery doesn't
engage with an audi-
ble click.
No LEDs light.
*2266024*
Possible cause
The forward / reverse
switch is in the middle
position.
The forward / reverse
switch is in the middle
position.
The battery is not fully
inserted.
Product too cold.
The function selector
switch is set to "Drilling
without hammering"
The overload cut-out
has been activated.
Battery condition is not
optimal.
Retaining lug on the
battery dirty.
Battery defective
2266024
Action to be taken
▶ Push the forward /
reverse switch to the
right or left.
▶ Push the forward /
reverse switch to the
right or left.
▶ Push the battery in
until it engages with a
click.
▶ Bring the product
into contact with
the working surface,
switch it on and allow
it to idle. If necessary,
repeat the procedure
until the hammering
mechanism begins to
operate.
▶ Set the function
selector switch to
"Hammer drilling"
.
▶ Release the control
switch. Allow the
product to cool down.
Press the control
switch again. Reduce
the load on the tool.
▶ Call up the bat-
tery's state of health.
→ page 29
▶ Clean the retaining lug
and refit the battery.
▶ Contact Hilti Service.
English
.
37
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