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• Make sure that the power adaptor is plugged in correctly and
is not damaged
• Check for a power cut in the area
Ampli455 does not ring
• Make sure that the telephone line cord is plugged in correctly
and is not damaged
• Connect another telephone to the telephone PTT socket or
move your telephone to another socket to track if the failure is
coming from your telephone or your PTT socket
• There may be too many communication devices connected to
a single telephone line e.g. another telephone, modem or
facsimile machine. Contact your network provider for help in
calculating the limit for your home or business line
• Check the Ringer is not switched to OFF
• Check the Volume level of the ringer
No dial tone
• Make sure that the telephone line cord is plugged in correctly
and is not damaged
• Connect another telephone to the telephone PTT socket or
move your telephone to another socket to track if the failure is
coming from your telephone or your PTT socket
• There may be too many communication devices connected to
a single telephone line e.g. another telephone, modem or
facsimile machine. Contact your network provider for help in
calculating the limit for your home or business line
• Check that the dialing mode is set to the correct setting (tone
or pulse)
Interference on the line
• Ensure a filter is fitted to all telephone sockets if you have a
DSL line
No Caller ID information displayed
• Ensure you have requested the Caller ID service from your
network provider
No Amplification
• Check the Amplify key has been pressed and the LED is lit
(red).
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