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Problem Possible Cause Possible Solution
<UC18YKSL / UC18YFSL>
The pilot lamp blinks red,
and battery charging
doesn’t begin.
<UC18YSL3>
The charge indicator lamp
blinks red, and battery
charging doesn’t begin.
The battery is not inserted all the way. Insert the battery fi rmly.
The battery is overheated. 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.
Battery usage time is short
even though the battery is
fully charged.
The battery’s life is depleted. Replace the battery with a new one.
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 metabo HPT Authorized Service
Center for repairs.
<UC18YSL3 only>
The USB power lamp
has switched off and the
USB device has stopped
charging.
The battery’s capacity has become low. Replace the battery with one that has
capacity remaining.
Plug the charger’s power plug into an
electric socket.
USB power lamp does not
switch off even though the
USB device has fi nished
charging.
The USB power lamp lights up green to
indicate that USB charging is possible.
This is not a malfunction.
It is unclear what the
charging status of a USB
device is, or whether its
charging is complete.
The USB power lamp does not switch off
even when charging is complete.
Examine the USB device that is charging
to confi rm its charging status.
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 diff 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.
23
English
000BookDS18DBFL2metabo.indb23000BookDS18DBFL2metabo.indb232020/11/0517:45:572020/11/0517:45:57
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