Troubleshooting - Hilti SIW 22-A Original Operating Instructions

▶ Store the tool and batteries in a place that is as cool and dry as possible.
▶ Never store batteries in direct sunlight, on heating units or behind a
window pane.
▶ Store the tool and batteries in a place where they cannot be accessed by
children or unauthorized persons.
▶ Check the tool and batteries for damage before use after long periods of
storage.
9

Troubleshooting

If the trouble you are experiencing is not listed in this table or you are unable
to remedy the problem by yourself, please contact Hilti Service.
9.1 Troubleshooting
Trouble or fault
The power tool
doesn't run.
The control switch
can't be pressed, i.e.
the switch is locked.
Running speed sud-
denly drops consid-
erably.
The battery runs
down more quickly
than usual.
The battery doesn't
engage with an audi-
ble double click.
The power tool or
the battery becomes
very warm.
16 English
Possible cause
The battery is not fully
inserted.
Low battery.
The forward/reverse
selector switch is in the
middle position.
Low battery.
Very low ambient tem-
perature.
The retaining lugs on the
battery are dirty.
Electrical fault.
Action to be taken
▶ Insert the battery.
→ page 12
▶ Charge the battery.
→ page 11
▶ Set the
forward/reverse
switch to the desired
position. → page 13
▶ Charge the battery.
→ page 11
▶ Allow the battery to
warm up slowly to
room temperature.
▶ Clean the retaining
lugs and push the
battery in until it
engages. Contact
Hilti Service if the
problem persists.
▶ Switch the power
tool off immediately,
remove the battery,
keep it under obser-
vation, allow it to cool
down and contact
Hilti Service.
2153700
*2153700*