Troubleshooting - Samsung SCH-670 Owner's Manual

SCH-670 (74-91) 11/23/98 3:32 PM

Troubleshooting

Before contacting an authorized service center,
perform the following simple checks. They may
save you the time and expense of an unnecessary
service call.
NOSVC is displayed in the display.
Make sure you are in the service area.
If you have changed the service system, wait for about 2
minutes.
Make sure you have chosen correct service mode (See page
49).
Sometimes, NOSVC indication appears briefly. It is normal.
Beep tone sounds when you make a call.
The call is not made successfully.
• When beep tone sounds, press SEND again so that the
number is redialed automatically.
• To cancel automatic redial, press END/
Ringer bell does not sound and receiving lamp flickers.
You have set the phone to the lamp mode (See page 21).
LOCKED is displayed and you cannot make a call.
The phone is locked.
• Press lock code (Default:0000).
• If you forgot the lock code, consult with the service center.
Battery usage time is different with that of this manual.
If there are lots of tries to make a call in no-service area, the
usage time may be reduced.
After charging, please store battery in a cool, dry place.
The phone isn't turned on, even though the battery is full.
Remove battery from the phone and reattach it.
The phone does not work properly, or does not work at all.
Remove battery from the phone and reattach it.
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MAINTENANCE REQUIRED is displayed
Make sure the phone is registered to use.
Nothing is displayed
Check that the battery pack has been charged and installed
correctly.
Check that the phone has been switched on (Press END/
more than one second).
You have entered a number but does not dial.
Have you pressed the SEND button?
Is the cellular phone service cur rently available (SVC
displayed)?
Are you accessing the right cellular network (if the phone is
programmed for dual network use)?
Your party cannot reach you
Is your phone switched on (Press END/
second)?
Are you accessing the right cellular network (if the phone is
programmed for dual network use)?
Your party cannot hear you
Have you switched off the microphone ( MUTE displayed)?
Are you holding the phone close enough to your mouth? The
microphone is located at the bottom of the phone.
for
for more than one
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