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When the Power lamp is flashing during charging
Flashing with approx. 0.5 second period (off for approx. 0.25 second, on for approx. 0.25 second):
≥ Check that the USB terminals of this unit or the connecting device, such as PC are not dirty or
covered with a foreign object, and reconnect correctly. If a foreign object or dirt is present, turn off
this unit before removing.
≥ The environment is at an extremely high or low temperature. Wait until the temperature has
returned to an appropriate level and try charging again. If you are still unable to charge, there may
be a fault in this unit or the connecting device.
Flashing with approx. 4 second period (off for approx. 2 seconds, on for approx. 2 seconds):
≥ When the battery is over discharged or the temperature of the battery is too high or low. It can be
charged, but it may take a few hours to complete the charging normally.
≥ It will flash in approx. 2 second intervals when normal charging resumes. Even in such cases, it
may start flashing in approx. 4 second intervals until charging is completed depending on the
conditions of use.
Off:
≥ Charging has finished.
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