The compressor relay is crucial for starting the compressor. A faulty relay can result in the compressor failing to cycle on. Here is a step-by-step guide to replacing the compressor relay.
Caution: Please read our safety information before attempting any testing or repairs.
Important Safety Notice: Before replacing the compressor relay, unplug the refrigerator to avoid an electrical shock hazard. Additionally, if the compressor uses a capacitor, it must be discharged first to avoid the risk of electrical shock.
Tools and Materials Needed
- Screwdriver (Phillips and flat-head)
- Needle-nose pliers
- Safety gloves
- Replacement compressor relay
Steps to Replace the Compressor Relay
Step 1: Safety First
- Turn Off Power: Ensure that the refrigerator is unplugged to prevent any electrical shock.
- Discharge the Capacitor: If the compressor uses a capacitor, discharge it first to avoid the risk of electrical shock. (Refer to the section “How to Discharge a Capacitor” for detailed instructions.)
Step 2: Access the Compressor Relay
- Locate the Compressor: The compressor is typically located at the lower rear of the refrigerator, labeled “A” in the illustration.
- Remove the Access Panel: Use a screwdriver to remove the screws and take off the access panel to reach the compressor.
Step 3: Remove the Old Relay
- Open the Terminal Box: The relay is located in the terminal box at the position labeled “B”. Use a screwdriver to open the terminal box cover.
- Disconnect the Relay: Carefully disconnect the relay from the compressor terminals. You may need to use needle-nose pliers to gently pull the connectors off the relay terminals. Label the wires if necessary to ensure proper reconnection later.
- Remove the Relay: Once disconnected, remove the old relay from the terminal box.
Step 4: Install the New Relay
- Obtain a Compatible Relay: Ensure the new relay is compatible with your refrigerator model.
- Connect the New Relay: Attach the new relay to the compressor terminals, ensuring the correct placement of the start, run, and common terminals.
- Secure the Relay: Ensure the relay is securely connected and positioned correctly within the terminal box.
Step 5: Reassemble the Refrigerator
- Close the Terminal Box: Replace the terminal box cover and secure it with screws.
- Reattach the Access Panel: Replace the lower access panel and secure it with screws.
Step 6: Restore Power and Test
- Plug in the Refrigerator: Restore power by plugging the refrigerator back in.
- Test the Refrigerator: Observe the refrigerator to ensure the compressor cycles on correctly and operates efficiently.
Tips and Warnings
- Handle with Care: Ensure you handle all components, especially the capacitor, with care to avoid injury or damage.
- Use Genuine Parts: If the relay needs to be replaced, use genuine replacement parts for optimal performance and longevity.
- Consult the Manual: Always refer to your refrigerator’s user manual for specific instructions related to your model.
- Seek Professional Help: If you are unsure about any step or if the problem persists, consider seeking help from a professional technician.
By following these steps, you can effectively replace the compressor relay in your refrigerator, ensuring it operates correctly and efficiently. Regular maintenance and timely repairs will help extend the lifespan of your appliance.
