00 Cover.book Page 74 Saturday, January 19, 2002 11:33 AM
74Troubleshooting
Troubleshooting
If you have a problem with your
The SL-5500 does not turn on.
•Make sure the battery is installed properly and is fully charged.
•Make sure the Battery replacement switch is set to “NORMAL OPERATION”.
•Power supply may be blocked if there is dust on the battery terminals or the terminals of the main unit. Use a soft dry cloth to wipe the terminals.
The keys do not function, or nothing appears on the display.
Perform the software reset with the
“NORMAL OPERATION”. (Refer to page 69.)
The SL-5500 turns itself off.
•You have not operated the
•Check the battery indicator status on the screen. If it is low, charge the battery immediately.
The LED indicator (charge light) on the unit flashes and the battery will not charge.
A charging error has occurred. Make sure that the battery is inserted properly. If the error persists, the battery or the unit may be out of order. Contact your local SHARP dealer for repair.
The power of the
The battery is almost exhausted. Charge the battery to its full capacity and then turn the