English
● To avoid injury from an accidental start, turn the switch OFF and remove the plug from the power source or remove
the battery from the main body before making any adjustments.
● All electrical or mechanical repairs should be done only by qualifi ed service technicians. Contact Hitachi Authorized
Service Center.
Problem
Tool will not start.
Battery will not charged.
18
TROUBLESHOOTING GUIDE
WARNING
Possible Cause
Battery not installed properly.
Battery not charged.
Battery overheated.
Battery pack not installed into Charger
properly.
Charger not plugged in.
Battery temperature too hot
Battery temperature too cold
Possible Solution
Check the battery installation.
Charge battery using appropriate charger.
Remove battery from tool and let battery cool
for while.
Insert battery into charger until a pilot lamp (red)
appears.
Plug charger into a working receptacle.
Remove battery from charger, cool battery.
For more detail, refer to "Charging Method".
Remove battery from charger, move battery
and charger to a surrounding air temperature of
above 32°F (0°C)
For more detail, refer to "Changing Method".