Troubleshooting - Siemens Gigaset S790 Manual

Troubleshooting

Troubleshooting
If you have any questions about the use of
your telephone, you can contact us at any
time at www.gigaset.com/customercare.
The table below contains a list of common
problems and possible solutions.
The display is blank.
¥
1. The handset is not switched on.
Press and hold the end call key a.
2. The battery is empty. ¥
¢
Charge the battery or replace it
( page 12).
Not all menu items are displayed.
¥
The menu display is restricted (standard mode).
•
¢
Activate extended menu display (expert
mode ) ( page 26).
No Base
flashes on the display.
1. The handset is outside the range of the base. ¥
Move the handset closer to the base.
2. The base's range is reduced because Eco
¥
Mode is activated.
Deactivate Eco Mode (
reduce the distance between the handset
and the base.
¥
3. The base is not switched on.
¢
Check the base power adapter
( page 10).
Please registerhandset
Handset has not been registered with the base or
¥
has been deregistered.
Register the handset (
Handset does not ring.
¥
1. The ringtone is deactivated.
Activate the ringtone (
2. The phone only rings if the phone number
has been transferred. ¥
¢
Switch on the ringtone for unknown calls
( page 55).
You cannot hear a ringtone/dialing tone from
the fixed line network.
The phone cord supplied has not been used or
has been replaced by a new cord with the wrong
pin connections. ¥
Please always use the phone cord supplied or
ensure that the pin connections are correct
¢
when purchasing from a retailer
( page 10).
60
¢
page 44) or
flashes on the display.
¢
page 47).
¢
page 55).
Error tone sounds after system PIN prompt.
¥
You have entered the wrong system PIN.
Reset the system PIN to 0000 (
Forgotten the system PIN.
¥
Reset the system PIN to 0000 (
The other party cannot hear you.
You have pressed the mute button h. The
¥
handset is "muted".
Reactivate the microphone (
The number of the caller is not displayed
despite CID.
¥ Calling Line Identification is not enabled (CID).
The caller should ask the network provider to
enable Calling Line Identification (CID).
You hear an error tone when keying an input
(a descending tone sequence).
¥
Action has failed/invalid input.
Repeat the operation.
Watch the display and refer to the user guide
if necessary.
You cannot listen to messages on the network
mailbox.
¥
Your PABX is set for pulse dialing.
Set your PABX to tone dialing.
¢
page 58).
¢
page 58).
¢
page 31).