English
Problem
The USB power lamp
has switched off and the
USB device has stopped
charging.
USB power lamp does not
switch off even though the
USB device has fi nished
charging.
It is unclear what the
charging status of a USB
device is, or whether its
charging is complete.
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.
3. AC/DC adapter
Problem
The adapter's error lamp
is blinking red and the tool
does not operate when
switched on.
The adapter's error lamp
rapidly blinks red and the
motor does not operate
when the tool is switched
on.
During protective operation,
the LED will blink diff erently
for AC/DC adapter use and
battery use.
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Possible Cause
The battery's capacity has become low.
The USB power lamp lights up green to
indicate that USB charging is possible.
The USB power lamp does not switch off
even when charging is complete.
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.
Possible Cause
Output is suspended because the tool or
the AC/DC adapter is overheated.
Output is suspended because the tool is
overloaded.
Possible Solution
Replace the battery with one that has
capacity remaining.
Plug the charger's power plug into an
electric socket.
This is not a malfunction.
Examine the USB device that is charging
to confi rm its charging status.
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.
Possible Solution
Allow the tool and AC/DC adapter to
suffi ciently cool down.
Remove the cause of the overload.
This is not a malfunction.