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6 Red Flashes

6 Red Flashes — Induced Draft Motor Fault

Carrier · Energy Recovery Ventilators

What does 6 Red Flashes mean?

This fault relates to the induced draft motor. If the heat is off, there will be no gas heating. If heat is on, the gas valve will be off and the inducer will be on.

Common Causes

  • Wiring issue to the induced draft motor
  • Incorrect voltage supplied to the motor
  • Induced draft motor not operating correctly
  • Speed sensor wiring to the IGC is faulty

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the wiring and voltage supply to the induced draft motor.

  2. 2

    Inspect the motor's operation.

  3. 3

    Verify the speed sensor wiring to the IGC is correct.

  4. 4

    Reset the unit's power to clear the fault.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

1 Fault CodeFault Code 1 — OVERCURRENT10 Fault CodeFault Code 10 — PANEL LOSS11 Fault Code11 Fault Code — ID RUN FAIL
Source: Carrier Energy Recovery Ventilators
Open Manual (Page 56)Search more codes in this manual