Siemens 300 H - Manual (Page 91)

Advice for users
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Advice for users
Care of the telephone
• Use either a damp cloth or an antistatic cloth to clean the telephone
set. Never use a dry cloth!
• If the telephone set needs to be cleaned thoroughly, use a neutral, di-
luted, surface-active cleaning agent. Take care that all traces of the
cleaning agent are removed with a damp cloth (using water only!).
• Never apply a cleaning agent which contains alcohol or which is liable
to harm plastic surfaces; never use an abrasive cleaning powder.
How to deal with malfunctions
There is no response after a key has been pressed:
Check whether the key has become stuck.
No ringing tone when an incoming call is received:
Check whether you have disabled the telephone ( Æ page 19). If you have,
cancel this function in order to receive calls again.
You cannot dial a number:
Check whether you have locked the telephone ( Æ page 43). If you have,
unlock the telephone in order to make calls again.
The time shown on the display is not correct:
After 24 hours at the latest, the time is corrected automatically (overnight).
All other faults:
First get in touch with System Support. If the fault cannot be
eliminated, Customer Service must be called in.