Fixing problems, Telephone maintenance, Troubleshooting – Siemens HIPATH 3000 User Manual
Page 58: Telephone maintenance troubleshooting
 
Fixing Problems
58
Fixing Problems
Telephone Maintenance
•
Always use a damp or antistatic cloth to clean the telephone. Never 
use a dry cloth.
•
If the telephone is very dirty, clean it with a diluted neutral cleaner con-
taining surfactants, such as a dish detergent. Afterwards remove all 
traces of the cleaner with a damp cloth (using water only).
•
Never use cleaners containing alcohol, cleaners that corrode plastic, or 
abrasive powders.
Troubleshooting
Pressed key does not respond:
Check whether the key is stuck.
Telephone does not ring:
Check whether the "do not disturb" function was activated on your tele-
phone. On lifting the handset, you will hear a special dial tone. If so, deac-
tivate it 
You cannot dial an external number:
Check whether you telephone is locked. On lifting the handset, you will 
hear a special dial tone. If so, unlock the telephone 
To correct any other problem:
First contact the service personnel. If the service personnel is unable to 
correct the problem, contact Customer Service.