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 recharg-
ing 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 recharg-
ing 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.
Summary of Contents for DUC254RTE
Page 2: ...Fig 1 1 2 3 4 5 6 12 13 14 7 8 10 9 11 16 17 18 15 Fig 2 1 2 3 Fig 3 1 2 Fig 4 2 ...
Page 3: ...1 2 Fig 5 1 2 Fig 6 1 2 3 2 3 Fig 7 1 Fig 8 1 2 Fig 9 1 2 Fig 10 2 3 4 1 Fig 11 3 ...
Page 4: ...1 Fig 12 1 Fig 13 1 2 3 Fig 14 1 Fig 15 1 2 Fig 16 1 2 Fig 17 Fig 18 Fig 19 4 ...
Page 6: ...Fig 28 Fig 29 Fig 30 1 2 Fig 31 1 2 Fig 32 1 2 Fig 33 6 ...
