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Haier Range vent hood turning on by itself

When a Haier range vent hood turns on by itself, the thermostat is the most likely cause. Some Haier range vent hoods have a thermostat that automatically starts the blower when the hood temperature becomes high, then shuts it off after the temperature drops. Check the owner's manual or wiring diagram before replacing a part. If the blower or lights turn on and off randomly, the control board may have burnt relay contacts or an internal short. A worn touchpad can also intermittently close a circuit and send an unwanted signal to the control board. Test each button on the control panel. Buttons that respond inconsistently point to a defective user control and display board. If those parts test properly, inspect the main control board, which also uses relays to control the blower and lights. A shorted control module is possible but less common, so test the control panel, touchpad, and boards first. Enter your Haier range vent hood model number to find the exact replacement thermostat, touchpad, user control and display board, main control board, or control module for your appliance.

01 - Haier 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 - Haier 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 - Haier 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 - Haier 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 - Haier 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 - Haier 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 Haier range vent hood turning on by itself?

How do I know whether the Haier range vent hood touchpad is causing the problem?

Should I replace the Haier range vent hood control board first?

Can I test a Haier range vent hood control or switch with a multimeter?

How do I find the correct Haier range vent hood replacement part?

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