4000 - User Guide

If you need some help, call us on 0800 145 6789* or go to bt.com/producthelp
54 Help
Phone doesn’t work
• Have you activated the batteries correctly? See page 5.
• Check that the mains power is correctly connected.
No dial tone or line cord error message displayed on screen
• Is the telephone cord plugged into the base and phone wall socket?
• Check that the mains power is correctly connected.
• Only use the telephone cord supplied with the phone.
Can’t make or receive calls
• Check that the mains power is correctly connected.
• The batteries may need recharging.
• Check that product call barring is not active – see page 48.
• Has there been a power cut? If so, place the handset back on the base for ten
seconds and try again. If it still doesn’t work, disconnect the batteries and mains
power for ten minutes, then reconnect and try again.
You have a dial tone, but the phone won’t dial out
• If you’re connected to a switchboard, check whether you need to dial an
access code, see page 42.
Handset doesn’t ring
• The ringer volume may be switched off, see page 38.
• Check that the mains power is correctly connected.
• Do Not Disturb may be switched on, see page 26.
• Block nuisance calls may be switched on, see page 26.
• Make sure the handset is registered to the base, see page 50.
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