Cosmo Appliances

Fuel Your Culinary Passion

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    COS-GRP366 Gas Oven Troubleshooting

    Check that the unit has been installed properly: Gas Installation Troubleshooting.

    Bake and/or Broil will not light
    1. Check that the timer has been set to a time, or to the ON position.
    2. I do not smell gas:
      1. If a new installation, there may be air trapped in the gas line.
        1. Repeat the proper lighting procedure several times.
        2. If you begin to smell gas, proceed to the next step.
    3. I smell gas:
      1. If using LP gas:
        1. Check that the unit has been properly converted to LP gas by a qualified technician using the appropriate LP conversion kit. LP Conversion Instructions.
      2. Check that the unit is plugged in and the electrical installation has been properly performed: Electrical Installation Troubleshooting.
      3. Contact support or a qualified technician for further troubleshooting and diagnosis.
    Bake and/or Broil are taking a long time to light
    1. Allow 10-15 seconds after the timer is set to ON and an oven temperature has been selected for gas to enter the oven cavity and ignite the oven burner. 
    2. Contact support or a qualified technician for further troubleshooting and diagnosis.
    Bake temperature is off by more than 30 degrees
    1. I am using LP gas:
      1. Check that the unit has been properly converted to LP gas by a qualified technician using the appropriate LP conversion kit. LP Conversion Instructions.
    2. Check that the oven thermometer being used is properly calibrated. If necessary, purchase a new thermometer.
    3. Check that your personal oven thermometer is placed in the center of the oven, and that the oven has been given sufficient time to preheat, typically 10-20 minutes. 
      1. Note: At high altitudes (beginning around 2500 feet above sea level), it will take significantly longer to preheat the oven due to the lower gas pressure. 
      2. For meat or poultry, we recommend cooking up to 25% longer than the recipe calls for. For leavening products such as yeast, we recommend increasing the temperature by 15-20 degrees and decreasing the baking time. 
      3. US Food Safety and Inspection Service’s web page regarding high altitude cooking
    4. Wait for the oven to cool completely to prevent burns or other injuries. Next, locate the thermostat probe in the top or rear of the oven cavity, which looks similar to this. If the thermostat probe is dislodged or crooked, attempt to reconnect it to the mounting clip(s).
    5. Contact support or a qualified technician for further troubleshooting and diagnosis.
    Broil stays lit but struggles to reach MAX temperature
    1. I am using LP gas:
      1. Check that the unit has been properly converted to LP gas by a qualified technician using the appropriate LP conversion kit. LP Conversion Instructions.
    2. Allow enough time for the broiler to preheat. The broiler can take up to 30-35 minutes to reach 400-450 degrees Fahrenheit. 
    3. If you are experiencing undercooked or incomplete dishes, make sure the food being broiled is on the highest rack position possible. The temperature will drop significantly at each rack level and lower racks may not broil your food properly.
    4. Contact support or a qualified technician for further troubleshooting and diagnosis.