Panasonic SU-C550 Operating Instructions - Page 43

The unit turns to standby mode automatically. • Is the auto off function turned on? ( 38) • This unit incorporates a protection circuit to prevent damage caused by heat buildup. When you use this unit at a high volume level for a long period of time, it may turn off automatically. Wait for this unit to cool down before turning on this unit again. (For approximately 3 minutes) The settings are reset to the factory defaults. • Updating the firmware may reset the settings. Disc Incorrect display or play does not start. • Make sure that the disc is compatible with this unit. ( 47) • There is moisture on the lens. Wait for about an hour and then try again. • Unfinalised CD-R and CD-RW cannot be played back. • WMA/MP3 is not supported. Refer to "Notes on CDs" ( 47) for information about the discs this unit can play back. Playback takes time to start. • It may take some time for the disc to load if there are a lot of tracks on it. USB The USB drive or its contents cannot be read. • The USB drive format or its contents is/are not compatible with the unit. ( 47) No response when [ ] is pressed. • Disconnect the USB device and then reconnect it. Alternatively, turn the unit to standby and on again. Slow operation of the USB flash drive. • Large file size or high memory USB flash drive takes longer time to read. • It may take some time if there are a lot of files or folders on it. iPhone/iPad/iPod Cannot operate. • Select "USB" as the input source. ( 27) • Check that the iPhone/iPad/iPod is connected properly. ( 27) • The battery of the iPhone/iPad/iPod is depleted. Charge the iPhone/iPad/iPod, and then operate again. ( 27) • Connect the iPhone/iPad/iPod again or try to restart the iPhone/iPad/iPod. iPhone/iPad/iPod does not charge. • Only when unit is ON will charging begin from USB cable connection. • Make sure the unit is turned on when you start charging. - When charging an iPhone/iPad/iPod whose battery is depleted, do not turn this unit to standby mode until the iPhone/iPad/iPod becomes operational. Bluetooth® Pairing cannot be completed. • Check the Bluetooth® device condition. The device cannot be connected. • The pairing of the device was unsuccessful or the registration has been replaced. Try repairing the device. ( 28) • This unit might be connected to a different device. Disconnect the other device and try repairing the device. The device is connected, but audio cannot be heard through this unit. • For some built-in Bluetooth® devices, you have to set the audio output to "SU-C550" manually. Read the operating instructions for the device for details. The sound is interrupted. • The device is out of the 10 m communication range. Bring the Bluetooth® device closer to this system. • Remove any obstacle between this system and the device. • Other devices that use the 2.4 GHz frequency band (wireless router, microwaves, cordless phones, etc.) are interfering. Bring the Bluetooth® device closer to this system and distance it from the other devices. • Select "Mode1" for stable communication. ( 29) Troubleshooting 43