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Caloric Range vent hood turning on by itself

If your Caloric range vent hood turns on by itself, the thermostat is the most likely cause. Some vent hoods have a heat-sensing thermostat that automatically starts the blower when temperatures rise near the hood, then shuts it off after the area cools. Check your owner's manual or wiring diagram to confirm whether this feature is normal. If the blower or lights turn on intermittently, a failing control board may have burnt relay contacts or an internal short. A worn touchpad can also send random signals when its buttons activate without being pressed. Next, check the user control and display board by pressing each control and watching for buttons that respond incorrectly or intermittently. The main control board can cause the same random operation, while a shorted control module is less common and should be tested only after the control panel and switches check out. Before ordering a Caloric range vent hood thermostat, control board, touchpad, or related part, enter your model number to find the exact replacement part for your specific vent hood.

01 - Caloric Range Vent Hood Thermostat

If the temperature in the hood gets hot there may be a thermostat that will automatically turn on the vent blower until the temperature cools down. Check the owner's manual and /or the wiring diagram to see if your vent hood has this feature.
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Highly Likely

02 - Caloric Range Vent Hood Control Board

The control board has relays that send power to the fan and lights. If the contacts in the relays become burnt, or the board is shorting out, they may make contact intermittently. If the fan or lights are turning off and on the control board may be bad.
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Common

03 - Caloric Range Vent Hood Touchpad

When the touchpad buttons are pressed a circuit is closed sending a signal to the control board. If the button is worn it can cause the circuit to close intermittently, turning on the hood.
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Common

04 - Caloric Range Vent Hood User Control and Display Board

The buttons on the user control and display board may be only intermittently activating. To determine if the control and display board is defective, try pressing each of the buttons on the control panel. If some of the buttons are not responding correctly, replace the user control and display board.
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Common

05 - Caloric Range Vent Hood Main Control Board

The main control board has relays that send power to the fan and lights. If the contacts in the relays become burnt, or the board is shorting out, they may make contact intermittently. If the fan or lights are turning off and on, the main control board may be bad.
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Common

06 - Caloric Range Vent Hood Control Module

The control module receives inputs from the control panel switches to turn the lights and blower on and off. If the control module shorts out, the blower or lights may go on and off randomly. Because this is not a common problem make sure the control panel and switches are tested before replacing the control module.
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Common

Frequently Asked Questions

Why is my Caloric range vent hood turning on by itself?
How do I know if the Caloric range vent hood thermostat is causing the problem?
Can a Caloric range vent hood touchpad make the blower turn on by itself?
Should I replace the Caloric range vent hood control board if the fan turns on randomly?
How do I find the correct Caloric range vent hood replacement part?

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