5 Red Flashes — Ignition Fault

What does 5 Red Flashes mean?

The unit failed to ignite successfully after 15 minutes of attempts. No gas heating will occur.

• Igniter issues (spacing, gap)
• Flame sensor electrode spacing
• Flame sense or igniter wiring problem
• Gas valve operation issue
• Gas supply problem

Click steps to track your progress.

1. 1

   Check the igniter and flame sensor electrode spacing and gaps.

2. 2

   Verify the wiring for the flame sense and igniter.

3. 3

   Inspect the gas valve operation.

4. 4

   Ensure an adequate gas supply is available.

5. 5

   Reset the unit's power to clear the fault.