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Troubleshooting
Many potential "problems" can be resolved by the owner without
calling a service technician. If something seems to be wrong with this
product, check the following before calling your authorised SHARP
dealer or service centre.
The unit does not turn on.
● Is the battery exhausted?
● Is the unit in the hold mode?
● Has condensation formed inside the unit?
● Is the unit being influenced by mechanical shock or by static
electricity?
No sound is heard from the earphones.
● Is the volume set too low?
● Are the earphones correctly plugged in?
When the buttons are pressed, the unit does not respond.
● Is there playable audio data on the unit?
● Is the unit in the hold mode?
● Is the battery exhausted?
● Is the unit connected to a PC with the USB cable?
Sound skipping or loss.
● Is the battery exhausted?
The battery cannot be charged.
● Is the rechargeable battery in the unit?
The operation is unstable whilst the PC and the unit are
connected.
● Are you using the USB cable that was purchased separately?
● Is the unit correctly connected to the PC?
The USB connection display does not appear.
● Is the unit correctly connected to the PC?
The FM radio makes unusual noises continuously.
● Is a TV or computer near the unit?
The display is difficult to see.
● Is the display contrast too low or too high?
■ Resetting the unit
If the unit does not work properly, reset it by pressing the
RESET button at the back of the unit.
If the unit still does not work properly, proceed to the firmware update
procedure (see page 30).
WA-MP40(W)/(BK)
WA-MP400(W)/(BK)
ENGLISH
E-31
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