26 Troubleshooting Guide
Always remove the battery before carrying out any inspection, cleaning or maintenance.
Condition
LEDs on
Battery
Chain saw cuts out
1 LED glows
during operation.
red.
3 LEDs glow
red.
Run-time is too short.
During sawing, the
wood smokes or
smells burnt.
Battery is not being
1 LED glows
charged even though
red.
LED on charger
glows green.
0458-791-8621-C
Possible Cause
Remedy
Battery too hot / too
► Remove the battery, @ 18.2.
cold.
► Engage the chain brake, @ 17.1.
Chain saw too hot.
► 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).
Battery not fully
► Charge the battery, @ 12.
charged.
Useful life of battery
► Have the battery checked by an authorized STIHL servicing
has been reached or
dealer.
exceeded.
The chain is dull or
► Properly sharpen the chain, @ 25.4.
improperly
sharpened.
Working technique is
► Obtain instruction on proper working technique.
improper or the saw
is being mis-used.
Insufficient bar and
► Have the chain lubrication mechanism checked by an
chain oil.
authorized STIHL servicing dealer.
Battery too hot / too
► Allow the battery to warm up or cool down gradually at
cold.
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).
English
57