Cosmo Appliances

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    COS-F965 Electric Oven Troubleshooting

    Bake and/or Broil will not turn on or are taking too long to heat (more than 25-30 minutes)
    1. Check that the clock has been set. The oven will not turn on until the clock has been set. The clock will blink and allow you to change the time using the right and left buttons (+ and -) if it has not yet been set. 
    2. Check that the unit is installed on a dedicated breaker and is not sharing its power with any other appliances or electronics in your home. A minimum 220 Volt and a dedicated 30 Amp circuit breaker is required. If the unit does not meet the qualifications, contact a licensed electrician to correct the power supply.
    3. Check that the unit has been installed properly: Electrical Installation Troubleshooting.
    4. Enter manual function mode:
      1. Press the manual function button, or the middle button just beneath the digital clock. Manual function has now been enabled.
      2. Select an oven function.
      3. Set an oven temperature. 
    5. Contact support or a qualified technician for further troubleshooting and diagnosis.
    Standard bake temperature is off by more than 45-50 degrees, convection bake is off by more than 35-40 degrees or broiler struggles to reach MAX temperature
    1. Check that the oven thermometer being used is properly calibrated. If necessary, purchase a new thermometer.
    2. 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. 
    3. 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).
    4. Confirm that any extra foil, materials, pots, pans, etc. are removed except for the ones currently in use for cooking.
    5. Check that the air vents on top of the range, behind the cooktop are free of any blockages. 
    6. Contact support or a qualified technician for further troubleshooting and diagnosis.
    The top of my food is burning when using the pizza function
    1. Check if heat is coming from the upper heating element when set to the pizza function. If you feel heat coming from the upper heating element (i.e. above the pizza), contact support or a qualified technician for further troubleshooting and diagnosis.
    The bottom of my food is burning when using the broiler function
    1. Check if heat is coming from the lower heating element when set to broil. If you feel heat coming from the floor of the oven, contact support or a qualified technician for further troubleshooting and diagnosis.
    The buttons below my clock are stuck and won’t pop back out
    1. Each button below your clock is closely surrounded by a trim piece that can rub against the button and cause it to stick if pressed too hard. For a quick fix, follow the method in the videos below.