Hitachi NR 1890DBCL Handling Instructions Manual page 24

English
PROBLEM
The charge indicator lamp
blinks red, and battery charging
doesn't begin.
Battery usage time is short
even though the battery is fully
charged.
The battery takes a long time
to charge.
Charging of a USB device
pauses midway.
Charging of the USB device
pauses midway when the
battery and the USB device
are being charged at the same
time.
Charging of the USB device
doesn't start when the battery
and the USB device are being
charged at the same time.
CHECK METHOD
The battery is not inserted all the way.
The battery is overheated.
The battery's life is depleted.
The temperature of the battery, the
charger, or the surrounding environment is
extremely low.
The charger's vents are blocked, causing
its internal components to overheat.
The cooling fan is not running.
The charger was plugged into an electrical
socket while the USB device was being
charged using the battery as the power
source.
A battery was inserted into the charger
while the USB device was being charged
using a power socket as the power
source.
The battery has become fully charged.
The remaining battery capacity is
extremely low.
Insert the battery fi rmly.
If left alone, the battery will automatically
begin charging if its temperature
decreases, but this may reduce battery
life. It is recommended that the battery be
cooled in a well-ventilated location away
from direct sunlight before charging it.
Replace the battery with a new one.
Charge the battery indoors or in another
warmer environment.
Avoid blocking the vents.
Contact a Hitachi Authorized Service
Center for repairs.
This is not a malfunction.
The charger pauses USB charging for
about 5 seconds when it is diff erentiating
between power sources.
This is not a malfunction.
The charger pauses USB charging for
about 5 seconds while it checks whether
the battery has successfully completed
charging.
This is not a malfunction.
When the battery capacity reaches a
certain level, USB charging automatically
begins.
24
CORRECTION