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Electronic Theatre Controls Inc

AAS (Analog Address System) - Troubleshooting

When troubleshooting AAS problems, you need to verify the following to solve the problem.

The information in this post is provided to assist in troubleshooting. Perform work at your own risk. ENSURE ANY POWER FROM DEVICES HAS BEEN DISCONNECTED BEFORE SERVICING ANY EQUIPMENT. If you do not feel comfortable performing the work, please contact us or your local service center. Be aware that ETC and its Affiliates are not responsible for any damage or injury caused by service of our products by anyone other than us or our authorized service providers, and such damage is excluded from the product’s warranty.

LED activity:

  • Do stations have LED activity? (Will switch between Green and Yellow when pressed)
  • Is the CR7 green LED on solid on the AAS CPU? (this is the station voltage indicator, which should be between 10.4 - 12.0 VDC)

Station voltage:

  • Do stations have 10.4 - 12V DC?
    • Factory setting is 10.4V, but it can be increased to 12V if fader levels are not reaching full due to long wire runs to stations.

LCD screen activity:

  • Is there any information on the LCD screen? In monitor mode?


Software Setup:

  • Is console mode set correctly?
  • Is patch correct?

Red Switches:

  • Does anything change when you toggle them?


[Reset\Normal] Resets AAS processor
[Term on\Term off] Terminates DMX input
[Bypass\Normal] Bypasses DMX input


Gray Switches:

  • To Clear All (patch 1 to 1, Fade Time = 00, Console = Disable):

    • While continuing to hold down ENTER, move SW1 to Reset then back to Normal. Do not release ENTER until the screen says, “OK, release” (Clear All” is shown before “Ok, release”)

  • To reset AAS to Default patching (does not change Fade Time or Console settings):

    • While continuing to hold down DIMMER UP, move SW1 to Reset then back to Normal. Do not release DIMMER UP until the screen says, “Ok, release” (“Build Defaultis shown before “Ok, release”)


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