0458-795-8621-B
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25 Troubleshooting Guide
Chain saw cuts out
during operation.
1 LED glows
red.
Battery too hot / too
cold.
► Remove the battery, @ 17.2.
► Engage the chain brake, @ 16.1.
► Allow the chain saw and battery to cool down gradually at
ambient temperatures of about 50 °F to 68 °F (10 °C to
20 °C).
3 LEDs glow
red.
Chain saw too hot.
Runtime is too short. Battery not fully
charged.
► Charge the battery, @ 12.
Useful life of battery
has been reached or
exceeded.
► Have the battery checked by an authorized STIHL servicing
dealer.
During sawing, the
wood smokes or
smells burnt.
The chain is dull or
improperly
sharpened.
► Properly sharpen the chain, @ 24.4.
Working technique is
improper or the saw
is being mis-used.
► Obtain instruction on proper working technique.
Insufficient bar and
chain oil.
► Have the chain lubrication mechanism checked by an
authorized STIHL servicing dealer.
Battery is not being
charged even though
LED on charger
glows green.
1 LED glows
red.
Battery too hot / too
cold.
► Allow the battery to warm up or cool down gradually at
ambient temperatures of about 50 °F to 68 °F (10 °C to
20 °C).
► Operate the charger only in enclosed, dry rooms at ambient
temperatures of 41 °F to 104 °F (5 °C to 40 °C).
Always remove the battery before carrying out any inspection, cleaning or maintenance.
Condition LEDs on
Battery
Possible Cause Remedy
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