Synergy 4100 – Issue 5 – Edition 1 – 18.01.07 – 7993
Help 71
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•The batteries may be flat, dead or incorrectly inserted.
•Recharge or replace the batteries.
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•Is the handset registered correctly to the base, see page 65.
•Check that the mains power is correctly connected.
•Check that the handset is within range of the base.
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•The batteries are low, place the handset on the base/charger to recharge.
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•Try cleaning the charging contacts.
•Check that the mains power is correctly connected. You hear the busy tone when you press 
•Make sure the handset is in range of the base.
•Another handset registered to your BT Synergy 4100 base may be on the line.
No Caller Display number/name displayed
•Have you subscribed to a Caller Display service from your network provider, see page 40.
•The caller may have withheld their number.
•An exact name/number match was not found in your phonebook. Check that you have stored the full STD dialling code.
If you experience any problems, please call the Helpline on 0870 605 8047 or email bt.helpdesk@suncorptech.com
