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TROUBLESHOOTING

Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult your dealer or the Hitachi Authorized Service Center.

 

Symptom

Possible cause

Remedy

 

 

 

 

Charger

The Charge lamp does not

The power plug is not connected to

Connect the power plug to an AC

 

go on.

an AC outlet.

outlet.

 

 

 

 

 

 

The battery is not properly

Insert the battery so that it is

 

 

connected to the charger.

properly seated in the charger.

 

 

 

 

 

 

The battery or charger electrodes

Use a cotton swab or other tool to

 

 

are soiled.

clean the electrodes.

 

 

 

 

 

 

The battery is extremely hot.

Allow the battery to properly cool

 

 

 

before charging.

 

 

 

 

 

The Charge lamp does not

The battery or charger is faulty.

Disconnect the power plug and

 

go off after 4 hours of

 

consult your dealer or the Hitachi

 

charging.

 

Authorized Service Center.

 

 

 

 

Tool

Does not operate.

The battery has not been properly

Remove the storage battery from the

 

 

installed.

battery compartment in the tool and

 

 

 

check for foreign matter. Also check

 

 

 

the battery electrodes for soiling.

 

 

 

Make sure that the battery is pressed

 

 

 

in until it clicks into place.

 

 

 

 

 

 

The blade has been incorrectly

If the blade does not move but the

 

 

installed.

motor is turning, the blade has

 

 

 

probably been incorrectly installed.

 

 

 

Make sure that the crank cam has

 

 

 

been installed.

 

 

 

 

 

 

Foreign matter is lodged in the

When there is foreign matter in the

 

 

blade.

blade, remove the battery and use

 

 

 

a pair of tongs or similar tool to

 

 

 

remove it.

 

 

 

Take great care since the tool may

 

 

 

start operating when the foreign

 

 

 

matter has been removed.

 

 

 

Sap or rust may also prevent the

 

 

 

blade from operating. Use a wire

 

 

 

brush or similar tool to remove sap

 

 

 

or rust.

 

 

 

 

 

 

The tool has been used for heavy

This is the effect of a function that

 

 

work.

protects the battery by turning off

 

 

 

the motor when the tool is exposed

 

 

 

to an excessive load. Release the

 

 

 

switch and remove what caused

 

 

 

the excessive load and pull back

 

 

 

the switch to resume work.

 

 

 

 

 

The tool does not trim well.

The blade has become dull.

Use a wire brush or other tool to

 

 

 

remove sap and rust and use a file

 

 

 

or whetstone to sharpen the blade.

 

 

 

If these efforts fail to make the

 

 

 

blade sharper, the blade has

 

 

 

reached the end of its service life.

 

 

 

Replace the blade with a new one.

 

 

 

 

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