Makita DUC204 Manuel D'instruction page 21

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 replacement 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
in green.
Chain does not stop even the
chain brake is activated:
Stop the machine
immediately!
Abnormal vibration:
Stop the machine
immediately!
The Torque Boost mode is not
available after replacing the
battery cartridge with a fully
charged one.
Cause
Battery cartridge is not installed. Install a charged battery
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
unoperatable condition.
The brake band is worn down.
Loose guide bar or saw chain.
Tool malfunction.
Depending on the usage condi-
tions, the Torque Boost mode is
not available after replacing the
battery cartridge.
21 ENGLISH
Action
cartridge.
Recharge the battery cartridges.
If recharging 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 recharging 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 cartridge.
If recharging is not effective,
replace the battery cartridge.
Ask the authorized service cen-
ter 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 cen-
ter in your region for repair.
Adjust the guide bar and saw
chain tension.
Ask the authorized service cen-
ter in your region for repair.
Use the tool in the normal mode
until the installed battery car-
tridge becomes empty, and then
replace the battery cartridge
with a fully charged one, or
recharge the battery cartridge.