Trash compactor won’t start or stops before completing: DIY troubleshooting tips

A trash compactor can be a convenient way to manage household waste, but when it malfunctions, it can be a real headache. If your trash compactor fails to operate or keeps starting and stopping before the cycle is complete, don’t worry – we’ve got you covered.

Try out these troubleshooting tips so you can get your trash compactor running smoothly again.

If you find out that you need any replacement parts for your trash compactor while you’re troubleshooting, you can enter your model number at AppliancePartsPros.com to order them. Most orders arrive in just two business days, and we have thousands of free guides to show you how to install your new parts.

Important: The troubleshooting information provided in this article may not apply to your specific appliance model. While we strive to offer helpful advice for DIY appliance repairs, variations in models and configurations can lead to differences in troubleshooting steps, error codes and part replacements. For the most accurate guidance, we strongly recommend consulting the technical sheet for your specific appliance model.

What you need

• Multimeter
• Screwdrivers
• Cleaning supplies

Important: The specific tools required may vary depending on the model of your appliance and the type of fasteners used on it. Always consult the user manual or refer to any specific instructions provided by the manufacturer for the recommended tools for your appliance model.

Read more: How to fix a noisy trash compactor in your kitchen  

Safety precautions

When working on any appliance, remember to keep safety first. Here are some tips to keep in mind:

• Always power off and unplug your appliance or switch off the circuit breaker before you attempt any maintenance or replacement work. This keeps you safe by eliminating any risk of electric shock.
• If the appliance has recently been used, give it plenty of time to cool down before working on it.
• Don’t test live voltage with a multimeter if you’re unfamiliar with how to prevent short-circuiting.
• Take your time while working to prevent accidents and personal injuries. Rushing is the enemy of precision.
• Work in a well-lit area so you can see and access appliance parts.
• Keep your workspace free of clutter and other obstacles. Keep children and pets away from the work area.
• Never work on internal parts with wet hands. Make sure the work area is completely dry.
• Check the user manual to see if there are specific installation or safety instructions related to your appliance or replacement part.
• Be gentle when handling or removing parts. Excessive force might damage the appliance or cause personal injury.
• Wear insulated work gloves to protect your hands from sharp metal parts and debris.
• When working with wires, avoid touching any exposed wires or terminals. If you need to touch a wire, use a non-conductive tool or wear insulating gloves to prevent electrical shock.
• Always take photos or make a note of wiring terminals or other connections before disconnecting them to make reassembly easier.

Read more: Trash compactor ram stuck? Top 5 reasons & fixes

How to troubleshoot your trash compactor

Follow these steps to troubleshoot a trash compactor that won’t start or stops before the cycle completes.

Step 1: Check the power supply

• Make sure the trash compactor is plugged into a working electrical outlet.
• Check that the outlet has power by using a multimeter to test the voltage. WARNING: Please be very careful to protect yourself from electric shock, which has the potential to cause serious injuries. Don’t ever test live voltage if you’re uncomfortable using a multimeter.
• If there’s no power at the outlet, check the circuit breaker or fuse and reset/replace them if necessary.
• If the outlet has incorrect voltage, contact a licensed electrician to repair it.

Step 2: Inspect the plug and power cord

1. Unplug the trash compactor from the outlet.
2. Visually inspect the cord for any damage, such as cracks, burns, or loose prongs.
3. Run your hands over the length of the cord to check for cuts, fraying, or other visible damage.
4. Gently bend and flex the cord to check for any internal breaks that could cause shorts.

If the plug or cord appears damaged in any way, replace the power cord. Never attempt to repair a damaged cord, as this can be a fire hazard.

Step 3: Examine the front door safety lock switch

1. Make sure the trash compactor is disconnected from the power outlet.
2. Find the front door safety lock switch, which is usually located near the door latch or hinge area.
3. Inspect the switch for any signs of damage, such as cracks, burns, or loose connections.
4. Set a multimeter to continuity mode and use the probes to test the switch for continuity. There should be continuity (a closed circuit) when the door is closed, and no continuity (an open circuit) when the door is open.

If the switch isn’t functioning correctly, replace it with a compatible replacement part.

Step 4: Check the drawer position

• Make sure the drawer isn’t open more than a 1/4 of an inch, as this can prevent the compactor from operating.
• Make sure the drawer is fully closed and latched properly.
• Try to open the drawer to check the latch mechanism. If the drawer feels loose or doesn’t latch properly, adjust the drawer alignment or replace the latch if necessary.
• Check for any debris or damage that may be preventing the drawer from closing completely.

Step 5: Inspect the motor and ram:

If the trash compactor starts and stops before the cycle is complete, the motor may be overloaded.

1. Find the compactor’s ram (the metal plate that compacts the trash) and gently try to raise it by hand. If the ram is stuck in the down position, the motor may be overloaded.
2. Check for any blockages or jams that could be preventing the ram from moving freely. Once you clear any obstructions, try to raise the ram into the up position.

Once you’ve completed troubleshooting, test the trash compactor to make sure it’s working correctly.

Read more: How to replace foot pedal kit 882657 on a KitchenAid, Whirlpool or Maytag trash compactor  

More for you

Thank you for reading! We hope this guide helped you get your trash compactor working again.

If you have any other appliance repair needs or projects, don’t hesitate to explore our other troubleshooting guides and videos.

If you need replacement parts or some extra help with ordering them, grab your model number and head over to AppliancePartsPros.com, where you can chat with a pro, read our DIY blog and more.

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