• 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 qualified service technicians. Contact Hitachi
Authorized Service Center.
Problem
Tool will not start.
Battery will not charged.
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 charge
status 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".
English
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