Hot Tip: Oven Thermostat Troubleshooting

If you’re wondering why your oven-baked culinary masterpieces don’t come out right every time, don’t blame the chef, blame the oven.  The folks at say it could be that the oven’s built-in thermostat is not working properly.  Here’s how to check your oven thermostat to make sure it is working properly.

Hot Tip: Oven Thermostat TroubleshootingFirst, set the oven temperature and use a separate thermometer inside the oven.  The most accurate are the glass bulb types.  To get an accurate reading, let the oven cycle on and off at least three times, which takes at least 20 minutes. Some other causes of incorrect oven thermostat temperatures according to

  • Over time, the gasket around the over door can become torn or deformed and this will allow heat to escape. Inspect gaskets to ensure they are in good condition and replace them as necessary.
  • If an oven door does not close properly, heat can escape. Make sure the door closes tightly and evenly. If it doesn’t, check for broken or bent door hinges or door springs, which should be replaced.
  • There’s a tricky timer issue that has confused even the best of cooks. Many mechanical clocks and timers on ovens (those without digital LED displays) have a setting called “cook and hold.” If the clock is accidentally set to this position, the oven thermostat may not work at all until it is set back to normal. Consult the instruction manual to set the clock or timer correctly.

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