Since its purchase last November, the Student Prince didn't remain unattended: it first went through a series of checks, following as usual the neat tips of Pinrepair on this topic:

• Transformer ok
• Check of all coils (measuring their resistance)
• Visual check of all switches
• Cleanup of the stepper units

After an initial power up, new problems appeared:

• The Game Over Relay remained permanently energized. Problem solved by readjusting the control switch for this relay.