H02CRITICAL

Burner Failure (Buderus)

Buderus boiler burner failed to ignite or lost flame during operation.

What This Error Code Means

The flame monitoring system detected burner failure and locked out the system.

Common Causes

  • Ignition electrode faulty
  • Gas valve failure
  • Fuel supply interrupted
  • Flame sensor dirty
  • Combustion air restriction

Affected Brands

Buderus

How ROMA Heating Fixes This

  • Check ignition spark electrode
  • Clean or replace flame sensor
  • Verify gas supply and pressure
  • Inspect burner and clean if needed
  • Reset system and verify proper ignition

24/7 Emergency Service

Available nights, weekends, and holidays. Fast 1-2 hour response.

Licensed Technicians

TSBC Gas License LGA0202903. Fully insured and WCB covered.

Same-Day Service

We diagnose and fix error code issues quickly.

Seeing Error Code H02?

Call now — our technicians can diagnose and fix it today

Call 778-909-5731