Display: Service Call 203: Error 204: Error 207: Error to 214: Error Power Off/on nnn: p 0xFOC: Error 0xFOD: Error 0xFFE: Error 0xFFF: Error
Description: CU Program Dysfunction Detected illegal process with CU program.
Remedy: Detected illegal process with CU program. Yes Write down the 24 digit number displayed on the LCD panel and report it. Turn OFF the power. Then check the insertion of the CU board. Now turn ON the power again.