Brand: Panasonic
Category: Cordless Phone
Document Type: Manual
Language: EN
Manual for KX-TCD535HK
Uploaded: Nov. 21, 2025, 6:11 p.m.
Warranty Information
None
Making a Call
Pre-Dialling: Enter Phone Number, then Press TALK.
Post-Dialling: Press TALK, then Enter Phone Number.
Answering a Call
Press TALK.
Terminating a Call
Press TALK OFF.
Auto Talk
If set to ON, answer by lifting handset off charger.
Troubleshooting and error codes
| Problem | Possible cause | Solution | Page |
|---|---|---|---|
| The unit does not work. | • Batteries not installed properly. • AC adaptor of base unit not connected properly. |
• Re-install batteries properly. • Disconnect and then connect AC adaptor. |
p. 15 |
| Display is blank. | • Cordless handset not turned on. | • Turn on power. | p. 18 |
| Cordless handset will not turn on. | • Batteries not inserted. • Batteries not charged. |
• Insert the 2 rechargeable batteries supplied. • Place cordless handset on charger and connect AC adaptor to charger and AC outlet (full charge period 7 hrs). |
p. 15 |
| Battery charge icon not counting up. | • Dirty charge contacts. • Charger not powered up. |
• Clean charge/battery contacts and retry charge. • Connect AC adaptor to charger and AC outlet. |
p. 16 |
| icon flashes. | • Cordless handset not registered to base unit. • Cordless handset out of range of base unit. • No power into base unit. |
• Register cordless handset to base unit. • Move cordless handset closer to base unit. • Connect AC adaptor to base unit and AC outlet. |
p. 90 p. 15 |
| Cordless handset busy tone heard when is pressed. | • Cordless handset out of range of base unit. • Another unit in use. |
• Move cordless handset closer to base unit. • Wait for the other user to complete call. |
p. 15 |
| No dial tone. | • Telephone line not connected. | • Insert telephone line cord to network. • Turn power OFF then ON. |
p.15 p.18 |
| Cannot dial out. | • Dialling mode setting may be incorrect. • Call Bar mode set. • Particular dialled number is restricted. • Key lock mode ON. |
• Check whether the dialling mode setting is correct. • Turn feature off. • Remove number from call restricted list. • Turn key lock OFF. |
p. 78 p. 73 p. 88 p. 80 p. 25 |
| Cordless handset will not ring. | • Ringer switched off. | • Set ringer to one of 6 volume levels. | p. 70 |
| Last number redial does not work. | • Number exceeded 24 digits. | • Redial manually. | p. 26 |
| No Caller ID number displayed. | • Service not supplied. • Caller has withheld info. |
• Caller ID service must be arranged with Network provider. | p. 30 |
| icon flashes. | • Battery low. | • Recharge batteries. | p. 16 |
| Cannot register cordless handset to base unit. | • Max. number of base units already registered to cordless handset. • Max. number of cordless handsets already registered to base unit. • Wrong PIN number entered (Default 0000). • Electrical noise in local area. |
• Delete unused base unit registrations from cordless handset. • Delete unused cordless handset registrations from base unit. • If PIN number is lost, contact Panasonic Customer Service Hotline. • Move base unit/cordless handset away from sources of electrical noise (e.g., TVs, radios, etc.). |
p. 91 p. 91 p. 81 p. 6 |
| The display is blank even if the unit is charged. | • Battery low. | • Recharge batteries more than about 15 minutes. | p. 16 |
| Date and time disappeared. | • Power failure on base unit. | • Set the date and time. | p. 20 |
| A beep sounds when or on the base unit is pressed. | • Another unit in use. | • Wait for the other user to complete the operation. | |
| A beep sounds when entering caller list or base unit phonebook with cordless handset. | • Another unit in use. | • Wait for the other user to complete the operation. | |
| SMS-Text Messaging | |||
| Cannot send a message. | • You have not subscribed to Caller ID. • SMS Centre number is not stored in your telephone. • Message was interrupted during sending. |
• Caller ID service must be arranged with Network provider. • Store the number. • Wait until the message has been sent before using any other telephone functions. |
p. 48 p. 63 |
| Cannot send or receive a message. | • Memory is full. | • Delete messages in the Outgoing/Incoming lists. | p. 57 p. 59 |
| “Unrecognized Message was received." is displayed. | • You have received Chinese text message. | • This unit does not support Chinese text message. Ask the sender to write the message in English. | |
| Error Codes | |||
| FD | • Could not connect to the SMS Centre. Check that you have the correct SMS Centre numbers or turn the SMS feature on. | p. 63 p. 64 |
|
| FE | • There was a problem sending the message. | ||