Troubleshooting - Hilti TE16 Operating Instructions Manual

10. Troubleshooting

Fault
The tool doesn't start.
en
The power tool doesn't
start and the indicator
lamp blinks yellow.
No hammering action.
The tool does not
achieve full power.
Drill bit doesn't rotate.
The drill bit cannot be
released from the chuck.
The drill bit makes no
progress.
10
Printed: 07.07.2013 | Doc-Nr: PUB / 5070797 / 000 / 00
Possible cause
Fault in mains supply.
Supply cord or plug defective.
Control switch defective.
The power tool has not been activated
(tools with optional theft protection
system)
The tool is too cold.
The function selector switch is set to
rotary drilling.
Extension cord with inadequate cross
section used.
Control switch not fully pressed.
Function selector switch not
engaged.
Chuck sleeve not pulled back fully.
Side handle not correctly fitted or
moved out of place.
The forwards/reverse switch is set to
reverse rotation.
Remedy
Plug in another electric appliance and
check whether it works.
Have the cord checked and, if neces-
sary, replaced by an electrical specialist.
Have it checked and, if necessary,
replaced by an electrical specialist.
Use the activation key to activate the
power tool.
Allow the tool to warm up to the mini-
mum operating temperature.
(See "Operation".)
Set the function selector switch to ham-
mer drilling.
Use an extension cord with adequate
cross section. (See "Assembly".)
Press the control switch as far as it will
go.
After rotation has stopped, move the
function selector switch until it
engages.
Pull the chuck sleeve back as far as it
will go and remove the insert tool.
Release the side handle and reposition it
correctly so that the clamping band and
side handle are engaged in the groove.
(see 6.1)
Set the switch to forwards rotation.