Here is a quote from the service manual "Diagnostic Test Indicators
When an error occurs, the POWER LED will flash a set number of times to indicate the possible cause of the problem. If there is more than one error, the LED will identify the first of the problem areas. If the errors occur simultaneously, the one that corresponds to the fewest flashes is identified first. Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a “0”."
LED ERROR ERROR DESCRIPTION
1 Supply Voltage Trouble Panel 5V UNReg (10.5V)
2 DE5V Voltage Trouble FE5V (DCALERT2)
3 Voltage Trouble D3.3V/D2.5V/D1.
4 Backlight Trouble
5 Main Supply Voltage Trouble (17.5V.DET)
6 Speaker Applied Voltage Trouble
7 Monitor an Increase in Inside-Temperature (esp. on the panel side)
8 Trident IC Trouble
Sorry I can not find any information on the 9times flashing.
I also do not understand what you mean by training manual. The only manuals that I know off, are the operators manual and the repair (service)manual
Good Luck and I do hope this will help you.