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Symptom
Cause / Possibility
Remedy
The charger is warm.
If the charger is being used continuously to
charge batteries, it may become warm.
Wait a while before using the charger
again.
The LED on the charger
does not illuminate.
Is the recharging plug of the charger
securely inserted into the battery?
Check the connection for any foreign
objects before reinserting the charging
connector. If there is no change, contact
the place of purchase.
Is the battery fully charged?
If the battery is fully charged, the LED on
the battery charger turns off, but this is not
a malfunction. Disconnect and then
reconnect the power plug of the charger,
and then repeat the recharging operation.
If the LED on the charger still does not
illuminate, contact the place of purchase.
The battery cannot be
removed.
Contact the place of purchase.
The battery cannot be
inserted.
Contact the place of purchase.
Fluid is coming out from the
battery.
Contact the place of purchase.
An abnormal odor can be
detected.
Stop using the battery immediately and
contact the place of purchase.
Smoke is coming out from
the battery.
Stop using the battery immediately and
contact the place of purchase.
The replaced battery does
not work.
The firmware of the drive unit may not be
compatible with the battery.
Contact the place of purchase to inquire
about compatibility.
Lights
Symptom
Cause / Possibility
Remedy
The front light or the tail
light does not illuminate
even when the switch is
pressed.
The E-TUBE PROJECT settings may be
wrong.
Contact the place of purchase.
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