Quick Answer

If your Willow pump isn't working correctly, start by checking the most common culprits: proper flange fit, clean and dry parts, and a fully charged battery. For persistent suction issues, ensure the pump is assembled correctly and the container is sealed. If problems continue, contact Willow's 360 Care support for personalized assistance.

As a Willow pump user, you know the freedom of hands-free pumping. But when your pump starts acting up—whether it's weak suction, unexpected leaks, or a battery that won't hold a charge—it can disrupt your entire routine. Fortunately, many common Willow pump problems have simple fixes you can do at home.

In this guide, we'll walk through the most frequent issues Willow users face and provide step-by-step troubleshooting tips. From suction problems to battery woes, we've got you covered. And if you ever need backup parts, remember that keeping a Willow Sync Backup Parts Set on hand can save you from a pumping emergency.

Willow Sync Backup Parts Set

Willow Sync Backup Parts Set

Weak or No Suction

One of the most common complaints is weak suction or no suction at all. This can be frustrating, but it's often easy to diagnose. Start by checking the flange fit—if the flange is too large or too small, you won't get an effective seal. The Willow 360® comes with 21mm inserts and 24mm flanges, but you may need a different size for optimal comfort and suction.

Next, inspect the pump parts for wear and tear. A cracked or warped diaphragm or valve can cause suction loss. If you're using a Willow Go, ensure the splashguard containers are properly attached and sealed. Also, verify that the pump is fully charged and the app is connected, as low battery can affect suction strength.

If you've checked all these and still have issues, try a manual reset: remove the pump from your bra, turn it off, and reattach the container. Sometimes a simple reassembly is all it takes.

  • Check flange size and reseat the pump in your bra.
  • Inspect all parts for cracks or damage.
  • Ensure the pump is fully charged and the app is synced.

Leaking Milk

Leaks are another common issue, and they can be particularly messy. The Willow 360® is designed to be 100% leak-proof, but leaks can still happen if the container isn't sealed correctly or if the pump is overfilled. Make sure the container is snapped in place securely and that the spout is closed before pumping.

For Willow Go users, the Splashguard Container Set is designed to prevent spills, but if you're using a third-party container, it may not fit properly. Always use compatible accessories to avoid leaks. Also, check the flange seal—if the flange doesn't create a tight seal against your breast, milk can escape.

If you're using the pump in a bag or bra that's too tight, it can compress the container and cause leaks. Adjust your bra or clothing to give the pump enough room.

Willow Go® Splashguard Container Set (2-pack)

Willow Go® Splashguard Container Set (2-pack)

  • Avoid overfilling and ensure a proper flange fit.

Battery Draining Quickly

If your Willow pump battery seems to drain faster than expected, there are a few things to consider. Extreme temperatures can affect battery performance, so avoid leaving your pump in a hot car or direct sunlight. Also, make sure you're using the correct charging cable and that the charging port is clean and dry.

If you've had your pump for a while, the battery may be aging. While you can't replace the battery yourself, you can extend its life by not overcharging and by storing the pump in a cool, dry place. If the battery still doesn't hold a charge, it might be time to contact Willow support.

For those who pump on the go, consider carrying a portable charger to top up between sessions. And remember, the Willow 360® is app-controlled, so keeping the app updated can also help optimize battery usage.

  • Avoid extreme temperatures and keep the pump dry.
  • Use the official charging cable and keep ports clean.
  • Update the Willow app regularly for optimal performance.

Error Codes and App Connectivity Issues

Seeing an error code on your Willow app can be alarming, but many codes have simple fixes. Common errors include issues with container alignment, low battery, or a blocked milk path. Refer to the user manual or the app's help section for specific code meanings.

If the app isn't connecting to your pump, try turning Bluetooth off and on, restarting the app, or resetting the pump by removing and reinserting the battery (if applicable). Ensure your phone's operating system is up to date and that the Willow app has the necessary permissions.

If connectivity issues persist, it could be a firmware problem. Check for app updates or contact Willow's 360 Care for remote troubleshooting.

  • Refer to the app's help section for error code explanations.
  • Restart Bluetooth and the app to resolve connectivity issues.
  • Update the app and pump firmware if available.

Troubleshooting Diagnosis Guide

  • Symptom: Weak suction: Check flange fit, inspect parts for damage, ensure pump is charged and assembled correctly. If suction doesn't improve, contact support.
  • Symptom: Leaking milk: Verify container seal, use compatible containers, and ensure proper flange fit. If leaks persist, consider replacing containers.
  • Symptom: Battery drains fast: Avoid extreme temperatures, use official charger, and update app. If battery life doesn't improve, battery may need replacement.
  • Symptom: Error code on app: Refer to manual, restart Bluetooth/app, and update firmware. If error persists, contact 360 Care.

Products That Can Help

  • Willow 360® Wearable Breast Pump: Willow 3.0 is now 360. 100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care. Comes with 21mm inserts & 24mm flanges. If you're experiencing persistent issues with your current pump, upgrading to the Willow 360® ensures you have the latest technology with leak-proof design and app control, reducing common problems.
  • Willow Go® Splashguard Container Set (2-pack): The Willow Go® Splashguard Container Set includes reusable milk containers designed to make pumping and transferring milk simple and convenient. Available in 7 oz and 5 oz sizes. Using the correct containers can prevent leaks and ensure a proper seal, directly addressing common leak issues with your Willow Go pump.

Remember, most Willow pump issues have straightforward fixes. By following these troubleshooting steps, you can resolve common problems and get back to confident, hands-free pumping. If you're considering an upgrade, the Willow 360® Wearable Breast Pump offers the latest in leak-proof, app-controlled technology. And for extra peace of mind, keep a Willow Sync Backup Parts Set on hand for quick replacements.