Symptom
Possible cause
Remedy
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.
The USB power lamp
has switched o
ff
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 o
ff
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 o
ff
even when charging is complete.
Examine the USB device that is charging to
con
fi
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 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.
21
English
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000Book̲WH36DB̲USA.indb 21
2018/09/27 18:36:12
2018/09/27 18:36:12
