Amber flame LED OFF
No flame present
This code typically points to
- No active burner flame
- Ignition sequence not established
- Burner off at idle
Next checks to confirm
- Verify whether there is an active call for heat
- If burners should be lit but amber LED is OFF, continue through ignition troubleshooting and flame-sense checks in the furnace troubleshooting chart
Escalation
Status-only indication; escalation depends on accompanying green status blink code
Reset behavior
No reset needed; indication changes automatically with flame status.
Informational
No action needed