14
Ignition lockout
This code typically points to
- Repeated ignition proving failure (4 attempts)
- No gas, weak flame sense, poor ground, igniter issue, burner carryover problem
Next checks to confirm
- Verify gas supply and valve state
- Verify igniter operation
- Verify flame-sense microamps and ground continuity
Escalation
Repeated 14 after normal gas and ignition hardware checks points toward control or valve problems.
Reset behavior
Auto-resets after 3 hours.
Urgent
Fix now