Makita DUC303 Manuel D'instruction page 18

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
The chain saw does not start.
The saw chain does not run.
The motor stops running after a little use.
No oil on the chain.
The chain saw does not reach maximum
RPM.
The main power lamp is blinking.
Chain does not stop even the chain brake
is activated:
Stop the machine immediately!
Abnormal vibration:
Stop the machine immediately!
Cause
Two battery cartridges are not installed.
Battery problem (low voltage).
Main power switch is off.
Chain brake activated.
Battery's charge level is low.
Oil tank is empty.
Oil guide groove is dirty.
Poor oil delivery.
Battery cartridge is installed improperly.
Battery power is dropping.
The drive system does not work correctly.
Switch trigger is pulled under an unoperat-
able condition.
The brake band is worn down.
Loose guide bar or saw chain.
Tool malfunction.
18 ENGLISH
Action
Install two charged battery cartridges.
Recharge the battery cartridges. If recharg-
ing is not effective, replace the battery
cartridge.
The chain saw is automatically turned off if
it is un-operated for a certain period. Turn
on the main power switch again.
Release chain brake.
Recharge the battery cartridges. If recharg-
ing is not effective, replace the battery
cartridge.
Fill the oil tank.
Clean the groove.
Adjust the amount of oil delivery with the
adjusting screw.
Install the battery cartridges as described
in this manual.
Recharge the battery cartridges. If recharg-
ing is not effective, replace the battery
cartridge.
Ask the authorized service center in your
region for repair.
Pull the switch trigger after the main power
switch is turned on and the chain brake is
released.
Ask the authorized service center in your
region for repair.
Adjust the guide bar and saw chain
tension.
Ask the authorized service center in your
region for repair.