Troubleshooting - Makita HNU01 Instruction Manual

To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
Malfunction status
The tool does not start.
The tool stops running after
a little use.
It does not reach maximum
RPM.
Cutting blades do not move.
The tool vibrates abnormally.
The tool does not stop.
013912
Cause
Battery cartridge is not installed.
The battery is low.
The drive system does not work
correctly.
Rotation is in reverse.
The battery is low.
Overheating.
Battery is installed improperly.
The battery is low.
The drive system does not work
correctly.
The cutting blades-tightening nuts
are too tight.
Inappropriate angle of cutter unit.
The cutting blades-tightening nuts
are too tight.
Twigs caught by cutting blades.
The drive system does not work
correctly.
Broken, bent or worn cutting blade.
Loosened cutting blades-
tightening nuts.
The drive system does not work
correctly.
The electric system does not work
correctly.
TROUBLE SHOOTING
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 or Factory Service Centers,
always using Makita replacement parts for repairs.
Install the battery cartridge.
Recharge the battery.
If recharging is not effective,
replace battery.
Ask your local authorized service
center for repair.
Press the "A" side of the reversing
switch.
Recharge the battery. If recharging
is not effective, replace battery.
Stop using of tool to allow it to
cool down.
Install the battery cartridge as
described in this manual.
Recharge the battery.
If recharging is not effective,
replace battery.
Ask your local authorized service
center for repair.
Adjust them properly.
Make sure the angle lock engages
properly.
Adjust them properly.
Use the reversing switch.
Ask your local authorized service
center for repair.
Replace cutting blades.
Adjust them properly.
Ask your local authorized service
center for repair.
Ask your local authorized service
center for repair.
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