16
Help
If you have any problems using your Response 15 Plus, this section 
gives you the most common solutions
Call counter does not light up
Check that your Response 15 Plus is 
correctly connected to the mains and 
that the power cable is inserted correctly 
into the back of your Response 15 Plus.
If you have inserted the back-up battery 
before connecting to the mains power you 
will need to reset your Response 15 Plus.
No dial tone on the telephone
Is the telephone cord plugged into the 
back of the Response 15 Plus unit?
Is the Response 15 Plus cord plugged 
into the wall socket?
Response 15 Plus’ display is flashing 
continuously
This indicates an error. Press any button 
on your answering machine. Flashing 
should stop and the answering machine 
should reset to its settings on first ‘power 
up’. Unplug the line cord and power cord. 
Wait 5 minutes and then replug.
Response 15 Plus’ battery low indicator 
is on
The back-up battery is either low in power, 
missing or incorrectly installed. Open the 
battery compartment which is located on 
the underside of the unit. If the battery 
is correctly in place, tr y replacing it with 
a new 9V alkaline battery. When 
operating at normal power the battery 
light remains off.
You experience a power cut
If a working battery is installed inside 
your answering machine, its settings 
and messages should be saved until 
power resumes. It will not be able to 
record any new messages, however.
You cannot hear messages or 
incoming calls
Your Response 15 Plus’ volume may be 
set too low. Adjust the volume by 
pressing +on the volume control.
Buzzing noise on answer machine
Your answering machine is too close to 
a radio, TV, computer, cordless or mobile 
telephone, causing interference. Move it 
another metre away.
Incoming message does not record
Make sure your Response 15 Plus is set 
to answer-on mode and that the memory 
is not full. When the memory is full, the 
display will flash F.
You cannot access remotely
Make sure that the telephone you are 
using to access your Response 15 Plus 
has a TouchToneTMkeypad.
When entering your code, make sure 
you allow enough time, at least 2 
seconds, between digits for your 
Response 15 Plus to recognise each one.