Robotic Pool Cleaner Repairs: A Comprehensive Troubleshooting and Maintenance Guide

Robotic pool cleaners have transformed pool maintenance, making it easier for homeowners and commercial pool operators to keep their pools clean and debris-free. However, like any sophisticated equipment, robotic pool cleaners can experience malfunctions that require troubleshooting and repair. Understanding common issues and how to fix them can save you time and money while ensuring your cleaner runs efficiently for years to come.

This guide explores the most frequent robotic pool cleaner problems, troubleshooting techniques, and maintenance tips to keep your unit in peak condition.

Common Robotic Pool Cleaner Issues and How to Fix Them

1. Robotic Pool Cleaner Won’t Start or Turn On

If your robotic pool cleaner is unresponsive, check these possible causes:

• Power Supply Issues: Ensure the cleaner is properly plugged into a working outlet. Check for loose or disconnected cords.

• Damaged Power Cord: Inspect the power cord for any cuts, frays, or exposed wires. If damaged, replace it immediately.

• Blown Fuse or Tripped Breaker: Reset the circuit breaker and replace any blown fuses.

• Faulty Motor or Electrical Components: If power is reaching the cleaner but it still won’t start, internal components may be faulty and require professional servicing.

2. Robotic Pool Cleaner is Moving Slowly or Not Moving at All

If your cleaner is sluggish or stuck in place, consider these solutions:

• Check for Clogged Filters: A full or dirty filter can restrict movement. Clean or replace filters regularly.

• Inspect Wheels or Tracks: Look for debris, hair, or dirt lodged in the wheels or tracks that could be limiting movement.

• Low Power Supply: Ensure that the power output matches the cleaner’s voltage requirements.

• Drive Belt or Motor Issues: If the drive belt is worn or broken, replace it. If the motor isn’t working, consult a professional for repairs.

3. Robotic Pool Cleaner is Not Climbing Walls

If your cleaner isn’t climbing walls properly, it could be due to:

• Worn or Dirty Brushes: Clean or replace brushes that are covered in debris or have lost their grip.

• Unbalanced Water Chemistry: High pH levels or calcium buildup can create slippery pool surfaces that affect the cleaner’s traction.

• Low Suction Power: A clogged intake or weak suction can hinder vertical movement.

• Weight and Buoyancy Issues: Adjust the weight distribution if the cleaner is struggling to stay balanced.

4. Robotic Pool Cleaner Stops Mid-Cycle

If your cleaner starts but shuts off unexpectedly:

• Overheating or Safety Shutoff: Some models have an automatic shut-off feature if they overheat. Allow it to cool before restarting.

• Software or Sensor Issues: Check the manufacturer’s manual for reset instructions or troubleshooting steps.

• Motor Overload: Excess debris in the filter can cause the motor to shut down. Clean and inspect all components.

• Loose or Corroded Connections: Examine all electrical connections for looseness or corrosion.

5. Robotic Pool Cleaner is Floating or Not Staying Submerged

If the cleaner is floating instead of staying on the pool floor:

• Air Trapped in the Cleaner: Before placing it in the water, submerge the unit fully and move it around to release any trapped air.

• Incorrect Hose Weights: Adjust hose weights to help maintain proper balance.

• Leaks in the Housing or Hose: Even minor air leaks can affect buoyancy. Inspect and replace any damaged parts.

• Low Water Flow or Suction Strength: Ensure that the filter and pump system are functioning properly.

6. Unusual Noises or Clicking Sounds

If your robotic pool cleaner is making abnormal noises:

• Clogged Impeller or Debris in Moving Parts: Check for and remove any debris lodged in the impeller or wheel system.

• Loose Internal Components: Secure any loose screws or parts.

• Worn-Out Bearings or Gears: Clicking or grinding noises may indicate worn-out internal components that need replacing.

Preventative Maintenance for Robotic Pool Cleaners

Regular maintenance can prevent costly repairs and extend the life of your robotic pool cleaner. Follow these maintenance steps:

1. Clean the Filter and Debris Bag Regularly

After every cleaning cycle, rinse the filter basket or debris bag to prevent clogging and maintain suction power.

2. Inspect and Maintain Wheels, Tracks, and Brushes

Regularly check for wear and debris buildup on the cleaner’s moving parts. Replace brushes and wheels as needed.

3. Balance Your Pool’s Water Chemistry

Keeping the pH, chlorine, and calcium levels balanced prevents scaling and buildup that can interfere with the cleaner’s efficiency.

4. Store the Cleaner Properly

When not in use, store your cleaner in a cool, dry place, away from direct sunlight. Avoid leaving it submerged when not in operation.

5. Conduct Routine Electrical Inspections

Periodically check the power cord, connectors, and internal wiring for signs of wear or corrosion. Replace damaged wiring immediately.

When to Call a Professional for Repairs

While many robotic pool cleaner issues can be resolved with basic troubleshooting, some require expert attention. Seek professional help if:

• The motor fails despite a proper power supply.

• The cleaner has extensive mechanical damage to its drive system or impeller.

• Electrical malfunctions or exposed wiring are present.

• The control panel or circuit board isn’t functioning correctly.

• The unit is under warranty and requires authorized repairs.

A certified pool technician can diagnose complex problems and perform specialized repairs to restore your cleaner’s functionality.

Final Thoughts

Robotic pool cleaners make pool maintenance effortless, but occasional issues may arise. Understanding common problems, troubleshooting effectively, and practicing regular maintenance will keep your cleaner running smoothly for years to come.

If your robotic pool cleaner needs professional servicing, contact a certified repair service or refer to the manufacturer’s guidelines for troubleshooting and parts replacement. With the right care, your cleaner will continue to provide efficient pool maintenance throughout the swimming season.

Need expert robotic pool cleaner repairs? Contact a certified repair service today for professional diagnostics and maintenance!