Robot Pool Cleaner Troubleshooting Guide: Quick Fixes for Common Issues

Robotic pool cleaners are an essential tool for maintaining a clean and healthy swimming environment. These automatic pool cleaners significantly reduce the time and effort required for pool maintenance, allowing pool owners (YOU) to enjoy more leisure time. However, like any piece of equipment, these advanced cleaning devices can sometimes experience problems that need troubleshooting.

We've created this handy robot pool cleaner troubleshooting guide for identifying and resolving the common issues that can arise during the operation of these devices. Understanding how robotic pool cleaners work and being familiar with the typical problems they may face is essential to address them efficiently.

With the right strategies and knowledge, pool owners can extend the life of their robotic pool cleaners and ultimately enhance the overall pool experience.

In the following sections, this article will explore some common problems associated with robotic pool cleaners and offer helpful tips for troubleshooting the issues. By applying these guidelines, pool owners can confidently maintain their automatic pool cleaners, ensuring optimal performance and longevity of the device.

Understanding Robotic Pool Cleaners

Robotic pool cleaners are an efficient and convenient method for maintaining your pool's cleanliness. They are automatic pool cleaners that use built-in motors to navigate around the pool, collecting debris and dirt in a self-contained filter system. These innovative devices provide a hassle-free approach to pool maintenance, allowing pool owners to focus on enjoying their swimming experience.

The main components of a robotic pool cleaner include a drive system, a pump motor, and a filtration system. The drive system moves the cleaner around the pool, ensuring that all areas are covered. The pump motor helps in capturing and collecting debris, while the internal filtration system traps the particles. These combined features enable the cleaner to provide thorough and efficient cleaning, resulting in a healthier and more enjoyable swimming environment.

It is essential for pool owners to understand how their robotic pool cleaner functions, as this can aid in properly maintaining the device, ensuring its longevity, and addressing any issues that may arise. For example, knowing that the cleaner relies on its pump motor and self-contained filter for debris collection can help owners identify potential problems related to these specific components, such as a slow or weak motor, or a clogged filter.

Water TechniX SoniX Cordless Robotic Pool Cleaner

The Water TechniX SoniX Cordless Robotic Pool Cleaner is a state-of-the-art wireless robotic pool cleaner designed to provide efficient and convenient pool maintenance. Developed by Water TechniX and distributed exclusively by Mr Pool Man, this advanced cleaner offers powerful suction and intelligent path cleaning technology, making it an ideal choice for pool owners seeking ease of use and effectiveness.

Essential Components of a Robotic Pool Cleaner

A robotic pool cleaner comprises various components working in harmony to ensure efficient pool cleaning. This section discusses the essential parts of a robotic pool cleaner, which include the motor and power supply, cleaning systems, movement systems, and other components.

Motor and Power Supply

The motor and power supply play a crucial role in driving the cleaner's functions. The motor powers the cleaner's movement, suction, and brushes, ensuring adequate pool cleaning. The power supply provides energy through a power cord, which connects to a control unit. For cordless robotic pool cleaners, the power pack is housed in a waterproof housing within the unit itself. The power connection and power button initiate the cleaner's operation. Proper motor functioning and a reliable power source are vital for the cleaner's efficiency.

Cleaning Systems

The cleaning systems in a robotic pool cleaner involve, suction, filtration, and brushes. These work synergistically to remove debris, dirt, and contaminants from the pool. The filter catches solid debris, which is bagged in a filter bag or contained in a filter canister. The suction creates water flow, allowing particles to pass through the filtration system. Meanwhile, the brushes scrub the pool surfaces, dislodging dirt and contaminants, which the cleaner then filters and captures.

Movement Systems

Robotic pool cleaners use different movement systems to traverse the pool's floor and walls, including tracks and wheels. Drive tracks and wheel systems ensure improved traction and help the cleaner adapt to diverse surfaces. The drive belt connects the wheels or tracks to the motor and is responsible for propelling the cleaner. Ensuring smooth and efficient movement is crucial for comprehensive pool cleaning.

Other Components

Some additional components in a robotic pool cleaner contribute to its overall effectiveness. These parts include the floating cable, control unit, and sensors. The floating cable sends commands from the control unit to the cleaner and ensures uninterrupted power supply. The control unit orchestrates the cleaner's operations, with options for custom programs and settings. Sensors detect obstacles and changes in the pool's environment, directing the cleaner's movements and facilitating thorough cleaning. Proper maintenance of these components and understanding their functions enhance the cleaner's performance and longevity.


Common Robot Pool Cleaner Problems and Their Solutions

Robot Not Moving

If the robotic pool cleaner is not moving or remains stationary, it is essential to troubleshoot specific areas. First, check the power supply and ensure that it is connected and functioning correctly. For cordless robotic pool cleaners, ensure that your battery is charged before attempting operation.

Examine the motor and drive belt for any malfunctions or damages, as these can hinder the cleaner's movement. It is also crucial to inspect the tracks and wheels for blockages or damage, which may prevent the robot from moving across the pool floor.

Inefficient Cleaning

In cases where the pool cleaner performs inefficient cleaning, some factors should be examined. Assess the filter and ensure it is not clogged with debris; this can reduce its ability to clean the pool floor and walls. Also check if the scrubber brushes are still in good condition (not cracked). Regular maintenance and cleaning of the robotic pool cleaner will also play a significant role in its overall performance.

Not Climbing Walls

If your robotic cleaner is having difficulty climbing walls and ends up flipping over, try removing the filter canister and testing the cleaner again. Does the cleaner function correctly without the canister? If it does, you've likely identified the problem.

On occasion, the filter mesh inside the canister can become obstructed by fine particles such as algae, silt, and salt. These particles accumulate on the inner mesh, impeding the flow of the cleaner and causing it to shut down as a protective measure.

To address this issue, gently brush the canister using a small brush or sponge and mild soap to remove the buildup. Then, thoroughly rinse the canister with water from a hose.

Other Frequently Experienced Issues

Some common issues include the pool cleaner flipping over, which can be resolved by adjusting the handle position or ensuring that the device's weight distribution is balanced. Inspect the cable for any damages or entanglements that may impede the cleaner's movement (not a problem for cordless robotic pool cleaners like the Water TechniX SoniX) (Lastly, verify that the cleaner is not impacted by faulty sensors or controls, which can hinder its proper functioning.

Pool Cleaner Turning Over

A prevalent issue with robotic pool cleaners is their tendency to turn over during the cleaning process. To troubleshoot this problem, examine the belts and tracks on the device and replace them if worn or damaged. Additionally, ensure that the filters and other components are securely in place, as their loosening could cause the cleaner to turn over. Regular maintenance and inspection of the pool cleaner will help prevent it from tipping during its cleaning cycle.

Routine Maintenance and Care

Proper maintenance and care are crucial for the optimal performance and longevity of your robotic pool cleaner. This section will cover some essential aspects to keep your pool cleaner in the best condition.

Cleaning the Filter

Cleaning the filter is a critical step in maintaining your robotic pool cleaner. A clogged filter can reduce the efficiency of your cleaner and may even prevent it from functioning correctly. To clean the filter, turn off the power to the cleaner, and unplug it from the electrical outlet if needed. Locate the filter compartment, open it, and remove the filter. Gently rinse the filter under running water to remove debris and allow it to air dry before reassembling the cleaner. Regularly cleaning the filter will help ensure proper filtration and prevent debris from affecting other components of the cleaner.

Checking the Power Supply and Cord

Over time, the power supply and cord may experience wear or damage. Regularly inspect the power supply unit and cord for any signs of damage, such as frayed cables or loose connections. Ensure the power button is functioning properly and that the cable is securely connected to the power supply when charging the unit. If you encounter any issues with the power supply or cord, consult your cleaner's user manual or contact the manufacturer for assistance.

Caring for the Brushes and Wheels

The brushes and wheels of your robotic pool cleaner play a vital role in removing dirt and algae from your pool's surfaces. To ensure they continue to function effectively, it's essential to clean and inspect them regularly. Remove any debris caught in the brushes or wheels, and check for signs of wear or damage. For wheels with tracks, make sure they are not loose or slipping. If you notice any issues with the cleaner's brushes or wheels, consider replacing them to maintain optimal cleaning performance.

Proper Storage

When not in use, storing your robotic pool cleaner properly is essential to prolong its lifespan. Keep it in a cool, dry place, and avoid exposing it to direct sunlight for extended periods. Although robotic pool cleaners like the Water TechniX SoniX are built to withstand the Australian sun during operation, it is not designed to be left out in the sun to dry like a beached sea creature.

Be sure to properly coil the cable to prevent tangling and minimize stress on the connections. Following these storage practices will help protect your cleaner from potential damage and ensure it is ready for use when needed.

Cleaning Cycle

Each robotic pool cleaner has a specific cleaning cycle duration to ensure optimal cleaning performance. Following the manufacturer's recommended cleaning cycle will maximize efficiency and prolong the life of your cleaner. This includes allowing the cleaner to complete a full cleaning cycle, and not turning it off prematurely. Regularly following the recommended cleaning cycle helps maintain the filtration system's effectiveness and ensures a thorough cleaning of your pool.


In summary, maintaining and troubleshooting a robotic pool cleaner is crucial to keep it functioning efficiently. By understanding the potential issues your robotic pool cleaner might face, you can address and resolve them quickly and confidently.

One important factor is ensuring proper connection to your power supply. If the pool cleaner comes to a sudden stop, always check if the power cord is still connected or if it has tangled, as this might be the cause.

Another common issue arises due to clogged or dirty filters. It is essential to regularly clean or replace your robotic pool cleaner's filter, as accumulated dirt can prevent it from functioning optimally.

Lastly, when experiencing issues with your robotic pool cleaner, don't hesitate to consult the user manual or contact the manufacturer's customer support for guidance. This will ensure proper troubleshooting techniques and the likelihood of a quicker, more effective resolution.

Frequently Asked Questions

Why is my pool cleaner not moving?

If your robotic pool cleaner is not moving, it could be due to damaged belts or tracks. Check for any visible damages and replace them if necessary. Additionally, ensure that the cleaner's power supply and power cord are functioning properly.

How do I reset my robotic pool cleaner?

To reset your robotic pool cleaner, unplug it from the power supply, wait at least 30 seconds, and plug it back in. Refer to your cleaner's user manual for specific reset procedures for your particular model.

What should I do if my robotic pool cleaner is not climbing walls?

If your robotic pool cleaner is not climbing walls, it could be due to dirty or damaged brushes, improper floatation, or inadequate suction. Clean the brushes and ensure they are free of debris. Check for proper floatation by adjusting buoyancy settings, if applicable. If suction power is weak, clean the filter and verify the pump is functioning efficiently.

How to fix a robotic pool cleaner that is not turning on?

If your robotic pool cleaner is not turning on, it may be a power supply issue or a defective power cord. Check to see if your cleaner is receiving power from the outlet and ensure the cord is in good condition. If you have a cordless robotic pool cleaner, ensure that the battery is fully charged before operation. If the issues persist, contact the manufacturer for repair or replacement options.


Our Recommended Robotic Pool Cleaner

We highly recommend the Water TechniX SoniX Cordless Robotic Pool Cleaner as the cordless nature of the SoniX eliminates a lot of the problems like flipping, tangling, and non-operation of the robot pool cleaner due to loose wires and connections. The SoniX also comes with unlimited support from Mr Pool Man (Call/Email us anytime!) as well as a huge 2-year factory warranty against defects.  

Do you have any questions about this topic or the featured products? No worries, we're here to help! Drop us a question down below and we'll get back to you ASAP.

Happy swimming :)

We Need This
We Need This
We Need This
Please validate your form with reCAPTCHA.
Thank you!

Leave a comment

All comments are moderated before being published