SERVICE EXPIRATION - AIR Stoves

The message "SERVICE EXPIRATION" is not an error message but a notification that the programmed operating hours have been reached (Parameter 12 SERVICE HOURS in the System Menu - Various Settings). 

Actions to take:
• Perform a cleaning/maintenance service.
• Reset the partial hours by entering the System Menu (password M0), select RESET PARTIAL HOURS and enter the access key 60.