Appendix

Troubleshooting

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.

The batteries do not hold a charge.

If the cordless handset is in the telephone base or charger and the charge light does not come on, refer to the item The charge light is off on this page.

Charge the battery in the cordless handset for at least 10 hours. For optimum daily performance, return the cordless handset to the telephone base or charger when not in use.

If the battery is depleted, it may take approximately 30 minutes to charge the handset before it shows low battery. Refer to Battery charging on page 6 for details.

You may need to purchase a new battery. Please refer to Battery installation on page 5.

The charge light is off.

Make sure the power cord is plugged in correctly and securely.

Make sure the battery is installed correctly in the handset. Follow the instruction in Battery installation on page 5 to install the battery.

Unplug the electrical power. Wait for 15 seconds then plug it back in. Allow up to one minute for the cordless handset and telephone base to reset.

Clean the cordless handset and telephone base charging contacts each month using a pencil eraser or cloth.

I get noise, static, or weak signals even when I’m near the telephone base.

If you subscribe to high-speed Internet service (DSL - digital subscriber line) through your telephone line, you must install a DSL filter between the telephone line cord and the telephone wall jack (see Telephone base and charger installation on page 4). The filter prevents noise and caller ID problems caused by DSL interference. Please contact your DSL service provider for more information about DSL filters.

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.

Do not install this telephone near a microwave oven or on the same electrical outlet. You may experience decreased performance while the microwave oven is operating.

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AT&T EL52501 user manual Batteries do not hold a charge, Charge light is off