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Hand Dryer Maintenance 101: Tips for Optimal Performance and Longevity

Hand Dryer Maintenance 101: Tips for Optimal Performance and Longevity

Hand dryers have become an essential feature of ‘away from home’ washrooms, offering an eco-friendly and cost-effective alternative to paper towels. However, like any other electrical equipment, hand dryers require regular maintenance to ensure optimal performance and longevity.

By following a few simple guidelines, you can keep your hand dryers running smoothly, saving time, money, and reducing potential disruptions. In this article, we will provide practical advice on proper hand dryer maintenance, including cleaning instructions, filter replacements, and troubleshooting common issues.

Cleaning Instructions

Regular cleaning is crucial to maintaining the efficiency and hygiene of hand dryers. Here’s a step-by-step guide to help you clean your hand dryers effectively:

Power off the dryer: Before starting any cleaning procedure, ensure that the hand dryer is powered off and disconnected from the electrical supply to avoid any accidents. Dryers should have a fused spur switch located near to them, which is a small box with a switch on. Turn the switch off and check the dryer is no longer functioning.

Remove debris: Use a soft, damp cloth or brush to gently remove any visible dirt or debris from the surface of the hand dryer. Pay special attention to the air vents and openings to prevent airflow obstruction. We would suggest your cleaners wipe the air vents as part of their standard routine.

Clean the housing: Prepare a mild detergent solution or use a non-abrasive cleaning agent. Dampen a cloth with the solution and wipe the exterior surfaces of the hand dryer. Avoid using harsh chemicals or abrasive materials as they may damage the finish.

Dry thoroughly : After cleaning, make sure to dry the hand dryer completely before reconnecting it to the power supply. This step is crucial to prevent electrical malfunctions and potential hazards.

On a quarterly basis we would suggest removing the cover and using a light brush to remove any internal dust and give a gentle wipe. YOU MUST make sure there is no power to the dryer before removing the cover. Removing any dust from around working parts will ensure the dryer can work at optimal efficiency.

Filter Replacements

Many hand dryers are equipped with air filters that trap dust, dirt, and other particles to maintain optimal performance. Over time, these filters can become clogged, restricting airflow and reducing drying efficiency. To ensure the longevity of your hand dryer and maintain its efficiency, follow these guidelines for filter replacements :

Check the manufacturer’s recommendations: Refer to the user manual or contact the manufacturer to determine the recommended frequency for filter replacements. This will vary depending on the model and usage conditions.

Locate the filter: Most hand dryers have easily accessible filters located either at the front or back of the unit. Consult the user manual or manufacturer’s instructions to locate the filter in your specific model.

Remove and replace the filter: Depending on the type of filter, you may need to remove a cover or unscrew a panel to access it. Once exposed, carefully remove the old filter and replace it with a new one, ensuring proper alignment. Follow the manufacturer’s instructions for specific filter replacement procedures. Please note many filters can simply be cleaned and replacement may not be necessary.

Troubleshooting Common Issues

Despite regular maintenance, hand dryers may occasionally encounter issues that affect their performance. Here are some common problems and troubleshooting tips:

Insufficient drying power: If the hand dryer seems to have reduced airflow or takes longer to dry hands, it might be due to a clogged air filter or blocked air vents. Check and clean the filter as mentioned earlier, and clear any obstructions in the air vents using a brush or compressed air.

No power or electrical issues: If the hand dryer fails to start or has intermittent power, check the power supply, circuit breaker, or fuse. Ensure that the dryer is correctly connected and that the power source is functioning properly. If the issue persists, consult a qualified electrician for further assistance.

Unusual noise or vibration: Excessive noise or vibration can indicate loose or worn-out components. Inspect the hand dryer for any loose screws or parts and tighten or replace them as necessary. If the noise or vibration continues, contact the manufacturer or a professional technician for a more in-depth inspection.

Smoke or black dust coming from the dryer: Hand dryers that comply to the correct safety standards will have flame retardant plastics and thermal cut offs to prevent over-heating, so to see one on fire is almost unheard of. However, If any electrical item is on fire, sound the alarm and alert the fire safety officer immediately. It is much more likely that any smoke coming from a dryer is caused by the carbon brushes being totally worn or detached, creating friction when the motor turns. Simply turn off the machine immediately and notify the supplier who will send new carbon brushes or take the dryer back for repair.


Proper maintenance is key to ensuring optimal performance and extending the lifespan of hand dryers. By following the cleaning instructions, replacing filters as recommended, and troubleshooting common issues, you can keep your hand dryers running smoothly and efficiently. Regular maintenance not only saves time and money but also contributes to a hygienic and pleasant restroom experience. Remember to consult the user manual or contact the manufacturer for specific maintenance instructions tailored to your hand dryer model. With these tips in mind, you can maintain your hand dryers effectively and enjoy their benefits for years to come.

At Intelligent we are utterly committed to ensuring your machines last as long as possible, that is why we provide a lifetime free repair promise , alongside the longest guarantees in the industry. Outside a warranty, we promise to repair your dryer for free , only parts are charged. We do this because maintaining and reusing equipment is the cornerstone of sustainability .

Learn more about Intelligent’s 1% for the planet membership and commitment to sustainable practice.

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