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25 Troubleshooting Guide
Run-time is too short.
Battery not fully
charged.
► Charge the battery,
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,
Working technique is
improper or the saw
is being mis-used.
► Obtain instruction on proper working technique.
Insufficient bar and
chain oil.
► Increase oil feed rate,
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).
"CHAIN OIL" LED
glows red.
Insufficient bar and
chain oil in the tank,
or the bar and chain
are not receiving oil.
► Filling the Chain Oil Tank,
► If the LEDs still glows, have the chain saw checked by an
authorized STIHL servicing dealer.
"CHAIN OIL" LED
flashes red.
The chain oil sensor
is damaged.
► Have the chain oil sensor checked by an authorized STIHL
servicing dealer.
Always remove the battery before carrying out any inspection, cleaning or maintenance.
Condition
LEDs on
Battery
Possible Cause
Remedy