14CRITICAL
Ignition Failure (Lennox)
Lennox-specific error indicating the furnace failed to ignite after multiple attempts and locked out.
What This Error Code Means
The ignition system failed to light the burners during the startup sequence.
Common Causes
- Failed ignitor
- Gas valve not opening
- No gas supply
- Ignitor control module fault
- Wiring issue between control and ignitor
Affected Brands
Lennox
How ROMA Heating Fixes This
- Verify gas supply and pressure
- Test ignitor resistance and glow pattern
- Check gas valve operation with meter
- Inspect control module diagnostics
- Replace failed components and test fire
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.