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NAC 1 trouble
trouble

Edwards EST iO64

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What This Code Means

An open or short was detected on NAC 1 or there is a problem with the EOL.

Common Causes

  • 1Broken wire
  • 2Loose connection
  • 3Missing or incorrect EOL resistor

Resolution Steps

Check NAC 1 wiring for continuity and shorts; verify the presence and value of the End-of-Line resistor.

Manual References(1)

Field Notes

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