Fixing Problems; Telephone Maintenance; Troubleshooting - Siemens optiPoint 400 Operating Instructions Manual

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 (" Do not disturb" appears on the screen). If so, deactivate it
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You cannot dial an external number:
Check whether you telephone is locked ("US:Not authorized UK:Access
denied" appears on the screen). If so, unlock the telephone
To correct any other problem:
First contact your service personnel. If your service personnel is unable to
correct the problem, contact Customer Service.
Fixing Problems
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