Filter
Top Products
Care
The C420 has been designed to give you
years of dependable service with a minimum
of care.
To ensure the utmost in performance, follow
these guidelines in caring for the unit:
1. Avoid dropping or knocking the unit.
2. Dust the unit regularly. Wipe the
unit with a soft damp cloth. Do not use
detergents and avoid excess moisture.
3. The C420 is an electrical device.
Avoid electric shock by keeping the
phone away from water (i.e. bath
room, kitchen sink, etc.)
20
Troubleshooting
The unit will not operate/no dial tone:
• Verify the TALK Button is lit.
• Verify the AC Adapter is securely
plugged into the base and the
telephone.
• Verify the telephone line cord is
securely plugged into the wall jack
and the telephone.
• Make sure the base antenna is in an
upright position.
• Make sure the handset battery is
fully charged.
• Verify the telephone is in the correct
dialing mode, tone (touch) or
pulse (rotary).
• Make sure you are in the usable
range of the base station.
• Reset the security code by placing the
handset in the base for 5-10 seconds.
The phone does not ring when you
receive a call:
• Make sure the RINGER switch on the
handset and base are set to ON.
• Verify the AC Adapter is securely
plugged into the base and the
telephone.
• Verify the telephone line cord is
securely plugged into the wall jack
and the telephone.
• Make sure you are in the usable
range of the base station.
• You may have too many extensions
on your line. Try unplugging a
few devices.