Suburban furnace ยท 1 model line
Suburban furnace code lock out
The Suburban furnace guide describes lockout after the furnace fails to ignite after multiple attempts.
What code lock out means by model
| Model line | What the manufacturer says | Source |
|---|---|---|
| Suburban gas furnace | The Suburban furnace guide describes lockout after the furnace fails to ignite after multiple attempts. | Suburban Gas Furnace Operation Guide |
What you can safely check
- Turn the thermostat off.
- Check that intake and exhaust vents are not covered.
- Do not continue cycling the furnace after repeated no-ignition attempts.
Stop and call a technician for
- Ignition, combustion, flame-sense, gas, and board troubleshooting is qualified service.
Stop after repeated ignition failure. Shut off LP if there is gas odor, soot, or abnormal flame/exhaust evidence.
Write this down before you call
- furnace model
- thermostat model
- number of failed starts