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Defective run/start capacitor, overload, start relay.

Compressor Will Not Start But Outdoor Fan Runs - Component failure.

Bryant · Comfort Alert Diagnostic Module

What does Defective run/start capacitor, overload, start relay. mean?

A component essential for starting the compressor, such as the start capacitor, run capacitor, overload protector, or start relay, has failed.

Common Causes

  • Capacitors degrade over time and fail.
  • Relays can fail due to electrical stress or wear.
  • Overloads can trip due to motor issues.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Visually inspect capacitors for any bulging or leaking signs.

  2. 2

    Ensure the unit is powered off before attempting any inspection of these components.

  3. 3

    Contact a qualified technician to test and replace these parts if necessary.

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 33)Search more codes in this manual