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SERVICE Steady off

SERVICE LED - Steady Off

Lennox · PRODIGY 2.0 Unit Controller

What does SERVICE Steady off mean?

The red SERVICE LED is consistently off, indicating the node is completely configured and ready for operation.

Common Causes

  • Node is fully configured
  • Application is loaded and running

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This is a normal status for a configured node.

  2. 2

    If other issues are present, check other indicators or system performance.

Browse all codes in this manual (56)
Verified technical data. Last updated: April 2026

Related Faults

12Alarm 12 - High Pressure Switch S414Alarm 14 - High Pressure Switch S716Alarm 16 - High Pressure Switch S28
Source: Lennox PRODIGY 2.0 Unit Controller
Open Manual (Page 97)Search more codes in this manual