9 Troubleshooting
Problem
No display
No sound
The caller is too quiet.
The handset ring tone is too
quiet.
A number cannot be dialled.
The antenna symbol is flashing Handset is out of range
The base station or handset
does not ring
A call cannot be forwarded to
an extension.
The telephone does not
respond when keys are
pressed
"LINE IN USE"
Do not modify or repair the device. Repairs that are not carried out properly can cause significant risks
to the user.
In the case of technical problems, you can contact our hotline service, Tel. 0900 00 1675 within
Switzerland (Swisscom fees at time of going to print: CHF 2.60/min). In the case of claims under the
terms of guarantee, please contact your sales outlet. There is a 2 year period of guarantee.
Possible cause
The batteries are not charged
The telephone cable is not
connected correctly.
The line is engaged by a
different handset
The dialling mode is incorrectly
set.
The base station has no power
The handset is not registered
to the base station
The ring tone volume is off or
too low
The flash time is too short
Operating error
The line is engaged by a
different handset
Troubleshooting
Solution
Check that both batteries have
been inserted correctly
Charge the batteries
Check the cable connection.
Wait until the other handset
hangs up
Adjust the volume during the
call using the volume key
Adjust the ring tone volume
See „4.13 Setting the dialling
mode" to set the correct dialling
mode
Move the handset within range
of the base station.
Check the mains adapter and
cable.
Register the handset to the
base
Adjust the ring tone volume
Set the device to a long flash
time
Remove the batteries and
reinsert them.
Wait until the other handset
hangs up
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