Philips CD4453Q Quick start guide - Page 6

Troubleshooting For more information, see the user manual that came with your CD440 or CD445. Problem No dialing tone Poor audio quality The is blinking The handset LCD displays nothing Caller Line Identification (CLI) service does not work Solution ● Charge the batteries for at least 24 hours ● Move closer to the base station ● Use the line cable provided in the box ● Move closer to the base station ● Move the base station at least one metre away from any electrical appliances ● Register the handset to the base station ● Move closer to the base station ● Try again by disconnecting and connecting the base station power supply and follow the procedure to register a handset ● Make sure the two supplied rechargeable batteries have been inserted into the battery compartment ● Make sure the supplied batteries are charged up ● Check your subscription with your network operator Need help? User Manual See the User Manual that came with your CD440 or CD445. Online help www.philips.com/support