Panasonic KX-TGB810 Operating Instructions Manual page 48

If your product is not working properly. . .
1 Reconnect AC adaptor to the base unit.
2 Check if telephone line cord is connected.
3 Use rechargeable Ni-MH batteries.
(Alkaline/Manganese/Ni-Cd batteries CANNOT be used.)
4 Read troubleshooting page in the Operating Instructions.
Visit our Web site: http://shop.panasonic.com/support
LFAQ and troubleshooting hints are available.
For your future reference
We recommend keeping a record of the following information to assist with
any repair under warranty.
Serial No.
(found on the bottom of the base unit)
Name and address of dealer
Two Riverfront Plaza, Newark, NJ 07102-5490
© Panasonic Corporation 2020
Printed in China
IMPORTANT!
Date of purchase
Attach your purchase receipt here.
PNQE1137ZA SS0120MU0