VTech Telecommunications Ltd 80-8213-00 用户手册

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Appendix
Troubleshooting
My cordless handset does not ring when I receive a call.
Make sure that the ringer is not turned off. Refer to Ringer volume on 
page 31 in this user’s manual.
Make sure the telephone line cord is plugged securely into the telephone 
base and the telephone jack. Make sure the power cord is securely 
plugged in.
The cordless handset may be too far from the telephone base.
Charge the battery in the cordless handset for at least 16 hours. For 
optimum daily performance, return the cordless handset to the charger 
when not in use.
You may have too many extension phones on your telephone line to 
allow all of them to ring simultaneously. Try unplugging some of the 
other phones.
The layout of your home or office might be limiting the operating range. 
Try moving the telephone base to another location, preferably to a 
higher location.
Disconnect the telephone base from the telephone wall jack and plug in a 
working telephone. If the other phones in your home are having the same 
problem, the problem is in your wiring or telephone service. Contact your 
telephone service provider (charges may apply).
Test a working phone at the phone jack. If the other phone has the same 
problem, the problem is the phone jack. Contact your telephone service 
provider (charges may apply).
Other electronic products such as HAM radios and other DECT phones
can cause interference to your cordless telephone. Try installing your
telephone as far away as possible from these types of electronic devices.
Completely remove the battery. Replace the battery and place the cordless 
handset in the telephone base. Wait for the cordless handset to reestablish 
its connection with the telephone base. Allow up to one minute for this to 
take place.
Your line cord might be defective. Try installing a new line cord.