Plantronics 435 Cordless Telephone User Manual


 
16
The unit will not operate/no dial tone:
Verify the TALK Button is lit.
Verify the AC Adapter is securely
plugged into the base of the
telephone.
Verify the telephone line cord is
securely plugged into the wall jack
and the telephone.
Verify that the handset battery is
properly installed.
Make sure the handset battery is
fully charged.
Make sure the base antenna is in an
upright position.
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 of the
telephone.
Verify the telephone line cord is
securely plugged into the wall jack
and the telephone.
Verify that the handset battery is
properly installed.
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.
Troubleshooting