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21
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19 Troubleshooting Guide
No electrical contact
between power tool
and battery.
► Disconnect the battery from the power tool and reconnect it.
► Switch on the power tool.
► If the power tool still cuts out during operation, clean the
contact surfaces on the connecting cord, @ 17.2.
Runtime is too short. Battery not fully
charged.
► Charge the battery, @ 8.2.
Useful life of battery
has been reached or
exceeded.
► Have the battery checked by an authorized STIHL servicing
dealer.
Always disconnect the battery before carrying out any inspection, cleaning or maintenance.
Condition LEDs and
Acoustic
Signals
Cause Remedy