14
Undesired flame / flame present when not expected
This code typically points to
- False flame signal
- Valve leakage
- Flame present with no commanded heat
Next checks to confirm
- Verify whether actual flame is present
- If not, inspect flame-sense circuit and gas-valve behavior
Escalation
One-hour soft lockout trigger; one-hour period begins after flame is no longer detected
Reset behavior
Auto-reset after one hour or standard soft-lockout reset.
Safety Critical
Immediate concern