English
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
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)
22
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.
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.
Check the saw chain tension, and if 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.