English
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
Charger The Charge lamp
does not go on.
Tool
The motor sounds
but the saw chain...
○ does not move
○ does not move
freely
Poor sharpness
Chain oil
○ is slow-fl owing
○ does not come
out
(seizes up)
28
TROUBLESHOOTING
Possible cause
The power plug is not connected to
an AC outlet.
The battery is not properly
connected to the charger.
The battery or charger electrodes
are soiled.
The battery is extremely hot.
The chain brake may be activated.
The saw chain tension is excessive. Check the saw chain tension, and if
Saw chain comes out of the
sprocket.
Inside the side case...
→ sawdust is jammed
→ foreign matter is trapped
In the guide bar groove...
→ sawdust is jammed
→ oil does not fl ow
The saw chain...
→ is worn out or the blade is broken
→ is rusted
The direction of the saw chain is
reversed,
Saw chain tension is loose.
Lack of chain oil in the tank.
Chain oil spout is clogged.
Remedy
Connect the power plug to an AC
outlet.
Insert the battery so that it is
properly seated in the charger.
Use a cotton swab or other tool to
clean the electrodes.
Allow the battery to properly cool
before charging.
Release by pulling the brake lever
toward you.
it is too tight, loosen the tension.
Remove the side case, and check
the saw chain is properly engaged
on the sprocket.
Remove the side case and clean
the chain cover.
Clean the guide bar groove and the
oil hole.
Make sure there is oil in the oil tank,
and replenish as required.
Sharpen the saw chain.
If the wear or breakage is very
severe, replace with a new saw
chain.
Re-attach ensuring the correct
direction.
Check the saw chain tension and
tighten if it is loose.
Replenish with chain oil.
Clean the chain oil spout.