← Repair Guides|Diagnostic / Self-Test
Medium10 min

Diagnostic / Self-Test

Symptoms this guide addresses

  • System malfunction
  • Hardware check
  • Troubleshooting
  1. Press the MASTER button.
  2. Select Utilities.
  3. Select Test Access.
  4. Follow the on-screen menus to run diagnostic tests on system components.

Source: E4XT Ultra — e-mu-eos-4-0-manual (manual)