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Faulty wiring or loose connections in compressor circuit.

Compressor Will Not Start But Outdoor Fan Runs - Wiring issue.

Bryant · Comfort Alert Diagnostic Module

What does Faulty wiring or loose connections in compressor circuit. mean?

The outdoor fan runs, but the compressor does not start due to faulty wiring or loose connections specifically within the compressor's electrical circuit.

Common Causes

  • Loose wires at the compressor terminals or in the control box.
  • Damaged wiring harness for the compressor.
  • Incorrect wiring during installation or repair.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure power to the unit is turned off at the disconnect.

  2. 2

    Carefully inspect all wiring connections leading to the compressor.

  3. 3

    Check for any loose terminals, frayed wires, or signs of overheating.

  4. 4

    Contact a qualified technician to diagnose and repair wiring faults.

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