Troubleshooting - Hilti HDE 500-A22 Mode D'emploi

Check all external parts of the appliance for damage
at regular intervals and check that all controls operate
faultlessly. Do not operate the appliance if parts are
damaged or when the controls do not function faultlessly.
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9 Troubleshooting

Fault
The tool doesn't work.
The tool doesn't work and all 4
LEDs blink.
The power tool doesn't work
and 1 LED blinks.
The battery runs down more
quickly than usual.
The battery doesn't engage with
an audible click.
The tool or battery get very hot.
The foil pack cannot be tilted
and pushed down into the tool.
The foil pack holder doesn't en-
gage with an audible click.
22
If necessary, the appliance should be repaired by Hilti
Service.
8.4 Checking the tool after care and maintenance
After carrying out care and maintenance, check that mov-
ing parts function faultlessly, that no parts are sticking,
broken or damaged and that the tool operates faultlessly.
Possible cause
The battery is discharged or fitted
incorrectly.
Electrical fault.
The dispensing mode selector switch
is set to "0".
The overload cut-out is activated;
The mortar in the mixing nozzle has
hardened.
The overload cut-out is activated; The
dispensing pressure required is too
high for the tool.
The foil pack is empty.
The battery is discharged.
The battery is too hot or too cold.
Battery condition is not optimal.
The retaining lugs on the battery are
dirty.
Electrical fault.
The power tool has been overloaded
(application limits exceeded).
The foil pack is not pushed fully into
the holder.
The piston rods are not pulled back
fully.
The retaining catches are dirty /
clogged.
The retaining lugs are defective.
Remedy
The battery must engage with an aud-
ible click or, respectively, needs to be
charged.
Remove the battery from the power
tool and contact Hilti Service.
Select the desired dispensing mode.
Change the mixing nozzle.
Raise the temperature of the foil pack
(observe the instructions for use of
the foil pack). Select and use a suit-
able tool for the application.
Change the empty foil pack.
Change the battery and recharge the
discharged battery.
Bring the battery to room temperat-
ure.
Have the battery condition checked
by Hilti or replace the battery.
Clean the retaining lugs and check
that the battery engages securely.
Contact Hilti Service if the problem
persists.
Switch the tool off immediately, re-
move the battery and contact Hilti
Service.
Use the right power tool for the job
(don't use a low-powered tool for
heavy work).
Push the foil pack into the holder as
far as it will go.
Press the release button and pull the
piston rods back as far as they will
go.
Clean the retaining catches and en-
gage the foil pack holder fully.
Fit another foil pack holder.
Contact Hilti Service if the problem
persists.