What to do if my Panasonic KX-TG3645 handset beeps and/or flashes?
- BBrian WellsAug 14, 2025
If the handset beeps and/or flashes, the battery charge is likely low. Fully charge the batteries.
What to do if my Panasonic KX-TG3645 handset beeps and/or flashes?
If the handset beeps and/or flashes, the battery charge is likely low. Fully charge the batteries.
What to do if my Panasonic KX-TG3645 unit does not work?
First, make sure the batteries are installed correctly. Second, fully charge the batteries. Third, check the connections. If it still fails, unplug the base unit’s AC adaptor to reset the unit, then reconnect it. Finally, ensure the handset has been registered to the base unit.
Why I cannot hear a dial tone on my Panasonic Cordless Telephone?
The base unit’s AC adaptor or telephone line cord may not be connected, so check those connections. If the connections are correct, disconnect the base unit from the telephone line and connect the line to a known working telephone. If the working telephone operates properly, contact service personnel to have the unit repaired. If the working telephone does not operate properly, contact your phone service provider.
Why is caller information not displayed on my Panasonic KX-TG3645?
Several factors could be at play. First, you may need to subscribe to Caller ID service with your phone service provider. Second, if additional telephone equipment is connected, try plugging the unit directly into the wall jack. If you have DSL/ADSL service, connecting a DSL/ADSL filter between the base unit and the telephone line jack is recommended. It’s also possible that the name display service isn't available in your area, or other telephone equipment might be interfering with the unit. Disconnect any other equipment to test this.
What to do if my Panasonic KX-TG3645 handset does not turn on?
Place the handset on the base unit or charger to turn it on.
What to do if my Panasonic KX-TG3645 does not record new messages?
There are several reasons why your unit might not be recording messages. First, ensure that the answering system is turned on. Also, if the message memory is full, erase unnecessary messages. Check that the recording time is not set to 'Greeting only'. Also, your phone service provider’s voicemail may be answering calls too quickly; try changing the unit’s number of rings setting to a lower value. Finally, the answering system will not answer incoming calls while other devices are in use.
Why is the indicator on my Panasonic KX-TG3645 handset flashing slowly?
The indicator on the handset flashes slowly to indicate new messages or voicemail messages. Listen to the new messages or listen to the new voicemail messages.
Why does my Panasonic KX-TG3645 Cordless Telephone base unit beep?
The base unit beeps to indicate new messages. Listen to the new messages.
What to do if I fully charged the batteries of my Panasonic KX-TG3645 Cordless Telephone, but it still flashes?
Clean the battery ends and the charge contacts with a dry cloth and charge again. If the issue persists, it may be time to replace the batteries.
Details the components and models of the cordless telephone system.
Crucial safety precautions for using the product.
Basic safety precautions to reduce risk of injury.
Step-by-step guide for initial connections and setup.
How to block unwanted callers and manage the block list.
How to utilize Caller ID features for incoming calls.
Functionality and basic operation of the answering system.
Solutions for common operational problems.
Basic troubleshooting steps before seeking repair.
Details the components and models of the cordless telephone system.
Crucial safety precautions for using the product.
Basic safety precautions to reduce risk of injury.
Step-by-step guide for initial connections and setup.
How to block unwanted callers and manage the block list.
How to utilize Caller ID features for incoming calls.
Functionality and basic operation of the answering system.
Solutions for common operational problems.
Basic troubleshooting steps before seeking repair.
| Brand | Panasonic |
|---|---|
| Model | KX-TG3645 |
| Category | Cordless Telephone |
| Language | English |












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