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• Wipe the rotary hammer drill’s exterior using a clean cloth after each use.
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
REMEDY
The rotary hammer drill
won’t start.
The cable is not connected.
Check that the cable is connected.
No current at the electrical
socket.
Check the current at the electrical socket.
Shut off the tool and check the fuse if
there is no current at the socket. Check
that the power circuit is appropriate for
the rotary hammer drill and that there
are no other loads connected to the
circuit if the fuse has been triggered.
The rotary hammer drill’s
thermoswitch (if there is one)
has been triggered.
Turn off the rotary hammer drill and let
it cool. Press the reset button on the
rotary hammer drill.
Internal damage or wear (e.g.
carbon brushes or breakers).
Have a technician service the rotary
hammer drill.
The rotary hammer drill
rotates slowly.
The extension cable is too long
or the cable capacity of the
extension cable is too small.
Connect the rotary hammer drill to
an electrical socket close by so that
an extension cable is not needed. Use
suitable extension cable with the right
cable area suitable for the length and
load.
The output diminishes
over time.
Dulled or damaged cutting tool.
Make sure that the cutting tool is kept
sharp. Replace as needed.
Do not use worn or damaged
carbon brushes.
Have a qualified technician replace
carbon brushes.
Loud noise or rattling sound.
Internal damage or wear (e.g.
carbon brushes or bearings).
Have a technician service the rotary
hammer drill.
