How to Test Out the Temperature Control on a Refrigerator

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    • 1). Locate the temperature control dial inside the refrigerator. Pull the housing for the temperature control away from the wall of the refrigerator.

    • 2). Remove the screws that are used to secure the temperature control housing to the wall of the refrigerator with a screwdriver.

    • 3). Pull the temperature control out of the wall of the refrigerator.

    • 4). Mark the location of each electrical wire with masking tape; there will be two wires connected to the temperature control.

    • 5). Disconnect the electrical wires by pulling the slip connector off the terminal on the temperature control. If the connectors do not come off easily, use a pair of pliers to pull them off the terminals.

    • 6). Place a probe from the multimeter on each terminal of the temperature control. Set the multimeter to the "Ohms" setting.

    • 7). Turn the control knob on the temperature control to the highest setting. You should see a reading near the end of the scale, or infinity, on the multimeter.

    • 8). Turn the control knob in the opposite direction to the lowest setting. You should see zero ohms on the multimeter.

    • 9). Replace the temperature control if the device fails the tests in Step 7 or Step 8.

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