27
The device can not be used
for full time after charge
The battery can not be
full charged even after 10
hours charging time.
The device has built-in
wireless module, but can't
achieve wireless
transmission.
The battery is not full charged.
The battery is broken.
The battery is broken.
The wireless module is broken,
or the transmission route has
problem.
ENGLISH
Please recharge the battery.
Please contact the local service center.
Please contact the local service center.
Please contact the local service center.