Oven Repair / Symptom Guide
Oven Won't Turn On — Power & Control Checks
An oven that won't turn on at all — dark display, no response, or display on but no heat command — is usually power supply, the control board, a tripped thermal fuse, or a stuck lock mode. The cooktop may still work, since on most ranges it runs on a separate circuit.
BHGS Licensed #50446 · Same-day service · $60 diagnostic credited toward repair
Common Causes
1. Power supply — tripped breaker or one 240V leg
Electric ovens run on 240V. A fully tripped breaker = dead oven. One lost leg = display works but no heat, or partial function. Cooktop often unaffected because it can be on a different leg.
2. Control board failure
The electronic control board (the "brain") fails from age, power surges, or self-clean heat damage. Display may be dark, frozen, or showing errors. Common on ovens 7+ years old.
3. Tripped thermal fuse / safety thermostat
A safety fuse cuts power when the oven overheats — frequently after a self-clean cycle. Once tripped, the oven simply won't turn on until the fuse is replaced.
4. Stuck lock mode / clock not set
Many ovens refuse to bake while in self-clean lock mode, child lock, Sabbath mode, or if the clock was never set after a power outage. Looks like failure; actually a settings state.
5. Failed door lock motor (post self-clean)
If the door lock motor jams after self-clean, the oven thinks the door is locked and blocks all bake/broil function.
What You Can Check Yourself
Try these in order — most take 5-10 minutes and many resolve the problem without a service call.
- 1
Reset the breaker
Find the oven/range breaker. Flip it fully OFF, wait 30 seconds, flip back ON. A double breaker for 240V can trip one side and look normal — cycle it firmly.
- 2
Power-cycle the control board
Turn off the breaker for 5 full minutes, then restore power. This resets the control board and clears many stuck states. Re-check the oven.
- 3
Check for lock / mode states
Make sure the oven is not in self-clean lock, child lock, or Sabbath mode. Set the clock if the display is asking for it — some ovens won't bake without it. Consult the manual for your model's lock icons.
- 4
Test the cooktop separately
Turn on a cooktop burner. If the cooktop works but the oven is dead, power reaches the appliance — the problem is the oven control, fuse, or one 240V leg, not the whole supply.
- 5
Recall recent self-clean use
If the oven died during or right after a self-clean cycle, a tripped thermal fuse is the most likely cause. Note this for the technician — it points straight to the fix.
When to Call a Pro
- →Breaker is on, no lock mode, but the oven is still dead
- →Display is frozen, garbled, or showing a fault code
- →Oven died during or after a self-clean cycle (thermal fuse, possibly more)
- →Burning smell or scorched wiring at the outlet — electrical hazard, call immediately
Typical cost
$60 diagnostic. Thermal fuse / door lock $150–$240. Control board $250–$450.
Service Areas
We provide oven repair service in Calabasas, Woodland Hills, Thousand Oaks, West Hills, Agoura Hills, Hidden Hills, Simi Valley, Canoga Park, Chatsworth, Topanga, Westlake Village, Oak Park, and Newbury Park, and nearby communities throughout the West San Fernando Valley.
Need a Pro Now?
Local technician, same-day service in most of LA County. $60 diagnostic credited toward your repair. 30-day warranty on every fix.