12
Symptom
Possible cause
Remedy
The battery takes a long
time to charge.
The temperature of the battery, the charger,
or the surrounding environment is extremely
low.
Charge the battery indoors or in another
warmer environment.
The charger’s vents are blocked, causing its
internal components to overheat.
Avoid blocking the vents.
The cooling fan is not running.
Contact a HiKOKI Authorized Service
Center for repairs.
<UC18YSL3 only>
Charging of a USB device
pauses midway.
The charger was plugged into an electrical
socket while the USB device was being
charged using the battery as the power
source.
This is not a malfunction.
The charger pauses USB charging for about
5 seconds when it is di
ff
erentiating between
power sources.
A battery was inserted into the charger while
the USB device was being charged using a
power socket as the power source.
Charging of the USB device
pauses midway when the
battery and the USB device
are being charged at the
same time.
The battery has become fully charged.
This is not a malfunction.
The charger pauses USB charging for
about 5 seconds while it checks whether
the battery has successfully completed
charging.
Charging of the USB
device doesn’t start when
the battery and the USB
device are being charged
at the same time.
The remaining battery capacity is extremely
low.
This is not a malfunction.
When the battery capacity reaches a certain
level, USB charging automatically begins.
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2017/12/05 10:33:53
2017/12/05 10:33:53