Denon AVR-S660H 5.2-Channel Network A/V Receiver - Manual (Page 204)

Update/upgrade error messages
If an update/upgrade is interrupted or fails, an error message appears.
Display Description
Connection failed. Please check your network, then try
again.
The network connection is unstable.
Connection to the server failed.
Check your network environment and try the update again.
Update failed. Please check your network, then try
again.
The download of the firmware failed.
Check your network environment and try the update again.
Upgrade failed. Please check your network, then try
again.
The download of the firmware failed.
Check your network environment and try the upgrade again.
Please check your network, unplug and reconnect the
power cord, and try again.
The update failed.
Press and hold the X on the main unit for more than 5 seconds, or remove and re-insert the
power cord.
The update restarts automatically.
Please contact customer service in your area. This unit may be broken.
Contact our Customer Service Center in your area.
Contents Connections Playback Settings Tips Appendix
204
Front panel Display Rear panel Remote Index