Thermocouple repair for gas ovens — if flame lights for 5-10 seconds then goes out, classic sign of bad thermocouple. It's a safety sensor that detects flame heat.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Flame goes out after seconds (thermocouple) — ranked from most to least common.
Bad thermocouple (90% of cases)
Dirty thermocouple from grease buildup
Bent or misaligned thermocouple
Disconnected cable to magnetic valve
Bad magnetic valve (rare)
Weak gas pressure not heating thermocouple enough
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.