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How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator.

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  1. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Unplug your refrigerator: шаг 1, изображение 1 из 1
    • Unplug your refrigerator before you begin your repair.

    • If you are testing or repairing the following items, you may also need to shut off and disconnect the water supply:

    • Condenser Fan Motor

    • Compressor Motor and Thermal Overload Device

    • Water Supply Valve Assembly

  2. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Unfasten the condenser cover: шаг 2, изображение 1 из 1
    • Use a Phillips screwdriver to remove the six 14.5 mm‑long screws securing the condenser cover to the rear of the refrigerator.

  3. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Remove the condenser cover: шаг 3, изображение 1 из 3 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Remove the condenser cover: шаг 3, изображение 2 из 3 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Remove the condenser cover: шаг 3, изображение 3 из 3
    • Tilt the top edge of the condenser cover toward you.

    • Lift and remove the condenser cover.

  4. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Disconnect the compressor: шаг 4, изображение 1 из 3 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Disconnect the compressor: шаг 4, изображение 2 из 3 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Disconnect the compressor: шаг 4, изображение 3 из 3
    • Squeeze and pull down the white compressor connector to disconnect it.

  5. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Test the overload and compressor winding: шаг 5, изображение 1 из 1
    • You should wear gloves to protect your hands from the sharp edges in this area

    • Use your multimeter to measure the resistance between the two pins on the connector.

    • Acceptable values are between 6 and 14 ohms

    • This test checks both the compressor winding and thermal overload device.

    • If you get an open reading, it could be either the motor or the thermal overload device. Follow the next steps to continue diagnosing.

  6. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Reposition the connector cover: шаг 6, изображение 1 из 3 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Reposition the connector cover: шаг 6, изображение 2 из 3 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Reposition the connector cover: шаг 6, изображение 3 из 3
    • Use a Phillips screwdriver to remove the 18.0 mm‑long screw securing the connector cover to the compressor.

    • Slide the connector cover off of the compressor.

    • Don't try to fully remove the connector cover as it is still connected to the compressor.

  7. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Disconnect the power connector from the compressor: шаг 7, изображение 1 из 2 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Disconnect the power connector from the compressor: шаг 7, изображение 2 из 2
    • Use a small flathead screwdriver to pry the power connector off of the compressor.

  8. How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Test the compressor winding resistance: шаг 8, изображение 1 из 2 How to Test Your Compressor Motor and Its Overload Device on an LG LFX25973 refrigerator., Test the compressor winding resistance: шаг 8, изображение 2 из 2
    • Use your multimeter to check the resistance between the bottom and top left pins.

    • The correct resistance value is 7.2-9.2Ω for a FLA075LANA or FLB075LANA compressor; other models show 6-8Ω.

Заключение

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our  Answers community for help.

Bill Gilbert

Участник с: 06/30/22

30 088 Репутация

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