switel DE12 Bedienungsanleitung Seite 84

Faults
Following a charge time of
14 hours, the
mains unchanged in the
display
Display is dark
The caller number display
(CLIP) does not function
84
− Troubleshooting −
Corrective measures
− The rechargeable batteries are empty
or defective.
icon re-
− Place the handset in the base station
properly. Clean the contact surfaces
on the handset and base station with a
soft, dry cloth.
− Caused by exposure to direct sunlight.
Allow the handset to cool down.
− The caller number display function is
an optional service offered by tele-
phone network providers. Contact
your network provider for further infor-
mation.
− The caller has suppressed the trans-
mission of their phone number.