Interactive HVAC Wizard

Select your action to start step-by-step guidance

Power Supply

Check that the unit is properly connected and power is ON.

Tip: Verify circuit breaker and fuse before moving to next step.

Airflow Check

Inspect filters, vents, and airflow direction.

Tip: Clean or replace filters if airflow is obstructed.

Sensor Test

Measure indoor sensor resistance with a multimeter.

Tip: 15K NTC Thermistor is standard. Replace if readings are off.

Final Action

Follow recommended action based on previous answers.