5 flashes — Module Fault

What does 5 flashes mean?

The diagnostic LED flashes five times, signaling an internal fault within the control module itself. This requires professional diagnosis.

• Internal failure of the control module
• Electrical short within the module circuitry
• Damage from voltage spikes

Click steps to track your progress.

1. 1

   Reset the furnace by turning the power switch off and then back on.

2. 2

   If the fault persists, contact a qualified service technician.

3. 3

   Ensure the RV's electrical system is stable and free from surges.