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ALERT LED 6 flashes Yellow

Yellow ALERT LED 6 flashes — Missing phase

Bryant · Comfort Alert Diagnostic Module

What does ALERT LED 6 flashes Yellow mean?

One of the electrical phases required for compressor operation is missing. This is a LOCKOUT condition.

Common Causes

  • Compressor fuse is open on one phase.
  • Broken wire or connector on one phase.
  • Compressor motor winding is damaged.
  • Utility power supply has dropped one phase.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off unit power supply and install a lockout tag.

  2. 2

    Check compressor fuses for continuity on all phases.

  3. 3

    Inspect wiring and connectors for breaks or damage on all phases.

  4. 4

    Verify the utility power supply has all three phases.

  5. 5

    Check compressor motor windings for damage.

Browse all codes in this manual (55)
Verified technical data. Last updated: April 2026

Related Faults

ALERT LED * flashes Yellow (misreported)Yellow ALERT LED * flashes (misreported) — Welded Contactor checkALERT LED 2 flashes YellowYellow ALERT LED 2 flashes — System pressure trip or compressor overloadALERT LED 3 flashes YellowYellow ALERT LED 3 flashes — Compressor short cycling
Source: Bryant Comfort Alert Diagnostic Module
Open Manual (Page 29)Search more codes in this manual