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7 Red Flashes

7 Red Flashes — Rollout Switch Lockout

Carrier · Energy Recovery Ventilators

What does 7 Red Flashes mean?

The rollout switch has opened, causing a lockout. The gas valve and igniter are off, but the indoor fan and inducer are on.

Common Causes

  • Gas valve is not operating correctly
  • Induced-draft blower wheel is not securely attached to the motor shaft

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the operation of the gas valve.

  2. 2

    Ensure the induced-draft blower wheel is properly secured to the motor shaft.

  3. 3

    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