39
Help
Problem
Handset not registering.
You have forgotten your base 
station PIN number.
No display
When you press a button, nothing 
happens.
No radio signal to the base – all 
displays flashing.
Handset in base doesn’t charge.
Handset/base does not ring.
Your caller cannot hear you.
Caller’s number is not displayed even 
though you have subscribed to Caller 
Display.
The error beep – a descending tone – 
is played.
Possible cause
The base is not powered. 
There are no batteries in the 
handset.
You have changed the PIN.
Handset not switched on. 
Batteries exhausted.
Keyguard may be switched on.
Handset out of range. 
Handset not registered. 
Base not switched on.
Line is being used by another handset 
for a long period. 
Base is not connected to the power 
supply.
Ringer is switched off.
The INT button has been,pressed, 
muting the microphone.
The number has been withheld.
You have pressed the wrong button.
Solution
Make sure that the power supply is 
plugged in at the base and switched 
on. Make sure that the rechargeable 
batteries (included) are fitted in 
the handset correctly. Switch the 
handset off and then back on 
again, place the handset on to the 
base again and leave for approx. 1 
minute to try registering again.
Try entering the default PIN (0000). 
If you have changed the PIN and 
cannot remember the number you will 
need to contact the BT Diverse Helpline 
on 08457 908070.
Hold down the RED PHONE button for 
1 second. 
Charge or replace batteries.
Hold down the 
#
button for 1 second.
Move closer to the base. 
Register the handset (see page 11). 
Check the base is connected properly
(see page 10).
Maximum charging power is only 
available when no calls are being made. 
Wait until the call is finished. Make 
sure that the power supply is in at the 
base and the power source is switched 
on. Check that the batteries are fitted 
correctly.
Switch ringer back on, see page 31 and
page 34.
Select GO BACK option via the
MENU
button to switch the
microphone back on.
Callers can stop their number being 
sent over the network.
Retry. If necessary, check the 
instructions.
HELP
Helpline
If you experience any difficulties with your Diverse 4010 Classic, please call
the BT Diverse Helpline on 08457 908 070.