18 ENGLISH
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual,
do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-
ment parts for repairs.
Malfunction status
Cause
Action
The chain saw does not start.
Battery cartridge is not installed.
Install a charged battery cartridge.
Battery problem (low voltage).
Recharge the battery cartridges. If recharging
is not effective, replace the battery cartridge.
Main power switch is off.
The chain saw is automatically turned off if
it is un-operated for a certain period. Turn
on the main power switch again.
The saw chain does not run.
Chain brake activated.
Release chain brake.
The motor stops running after a little use.
Battery's charge level is low.
Recharge the battery cartridges. If recharging
is not effective, replace the battery cartridge.
No oil on the chain.
Oil tank is empty.
Fill the oil tank.
Oil guide groove is dirty.
Clean the groove.
Poor oil delivery.
Adjust the amount of oil delivery with the
adjusting screw.
The chain saw does not reach maximum
RPM.
Battery cartridge is installed improperly.
Install the battery cartridges as described
in this manual.
Battery power is dropping.
Recharge the battery cartridge. If recharg-
ing is not effective, replace the battery
cartridge.
The drive system does not work correctly.
Ask the authorized service center in your
region for repair.
The main power lamp is blinking in green.
Switch trigger is pulled under an unoperat-
able condition.
Pull the switch trigger after the main power
switch is turned on and the chain brake is
released.
Chain does not stop even the chain brake
is activated:
Stop the machine immediately!
The brake band is worn down.
Ask the authorized service center in your
region for repair.
Abnormal vibration:
Stop the machine immediately!
Loose guide bar or saw chain.
Adjust the guide bar and saw chain
tension.
Tool malfunction.
Ask the authorized service center in your
region for repair.
The Torque Boost mode is not available
after replacing the battery cartridge with a
fully charged one.
Depending on the usage conditions, the
Torque Boost mode is not available after
replacing the battery cartridge.
Use the tool in the normal mode until the
installed battery cartridge becomes empty, and
then replace the battery cartridge with a fully
charged one, or recharge the battery cartridge.
The saw chain cannot be installed.
The combination of saw chain and
sprocket is not correct.
Use the correct combination of saw chain
and sprocket by referring to the section for
specifications.
OPTIONAL ACCESSORIES
CAUTION:
These accessories or attachments
are recommended for use with your Makita tool
specified in this manual.
The use of any other
accessories or attachments might present a risk of
injury to persons. Only use accessory or attachment
for its stated purpose.
If you need any assistance for more details regard-
ing these accessories, ask your local Makita Service
Center.
•
Saw chain
•
Guide bar
•
Guide bar cover
• Sprocket
•
Spike bumper
• File
•
Tool bag
•
Makita genuine battery and charger
WARNING:
If you purchase a guide bar of
different length from the standard guide bar, also
purchase a suitable guide bar cover together. It
must fit and fully cover the guide bar on the chain
saw.
NOTE:
Some items in the list may be included in the
tool package as standard accessories. They may
differ from country to country.
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