Dirty dishes and utensils piled up in the sink may be a familiar sight in many restaurants and commercial kitchens, but a grimier and more pressing issue lies behind the scenes – the commercial dishwasher itself. A neglected or poorly maintained dishwasher can lead to subpar cleaning performance, increased energy consumption, and a breeding ground for bacteria and mold.
As a commercial kitchen operator, you understand the importance of maintaining a high level of cleanliness and hygiene to protect your customers and your business. In today’s world, where health and safety regulations are more stringent than ever, it’s crucial to prioritize the upkeep of your equipment, including your commercial dishwasher.

In this article, we will walk you through the steps to thoroughly clean and maintain your commercial dishwasher, ensuring it runs efficiently and effectively. From removing grease and food particles to sanitizing the interior and exterior, we’ll cover everything you need to know to keep your dishwasher in top condition.
We’ll also provide you with practical tips on how to prevent common issues and extend the lifespan of your commercial dishwasher, saving you time and money in the long run.
Whether you’re a seasoned chef, kitchen manager, or owner of a busy restaurant, this guide will empower you to take control of your commercial dishwasher’s maintenance, ensuring a clean, hygienic, and efficient kitchen operation.
Cleaning the Interior of the Dishwasher
Cleaning the interior of a commercial dishwasher is an essential task to ensure the longevity and efficiency of the appliance. Grease, food residue, and mineral deposits can build up and cause issues with the dishwasher’s performance, leading to decreased water quality, reduced sanitizing power, and even equipment failure. In this section, we will provide a step-by-step guide on how to clean the interior of a commercial dishwasher.
Removing Grease and Food Residue
Start by removing any large debris from the dishwasher’s interior using a scraper or a long-handled brush. Next, mix a solution of hot water and a dishwasher cleaner or degreaser in the dishwasher’s detergent dispenser. Run a hot water cycle to circulate the solution throughout the dishwasher. This will help loosen and remove grease and food residue from the walls and floor of the dishwasher.
- Use a soft-bristled brush to scrub away any stubborn grease and food residue from the dishwasher’s walls and floor.
- Pay particular attention to areas around the spray arms, drain, and detergent dispenser, as these areas tend to accumulate the most debris.
Descale the Dishwasher
Mineral deposits can build up over time and cause issues with the dishwasher’s performance. To descale the dishwasher, mix a solution of hot water and a descaling agent, such as citric acid or a commercial descaling product, in the dishwasher’s detergent dispenser. Run a hot water cycle to circulate the solution throughout the dishwasher. This will help remove mineral deposits from the dishwasher’s pipes, pumps, and other components.
- Check the dishwasher’s manufacturer instructions for specific descaling recommendations, as some dishwashers may require special care.
- Descale the dishwasher every 3-6 months, or as needed, to maintain optimal performance.
Cleaning the Spray Arms
Cleaning the Exterior of the Dishwasher
Cleaning the exterior of a commercial dishwasher is just as important as cleaning the interior. A dirty exterior can attract dust, dirt, and other debris, which can settle on the dishwasher’s surfaces and create a buildup of grime. In this section, we will provide a step-by-step guide on how to clean the exterior of a commercial dishwasher.
Removing Dust and Dirt
Start by removing any loose dust and dirt from the dishwasher’s exterior using a soft-bristled brush or a microfiber cloth. For more stubborn stains, mix a solution of mild dish soap and warm water, and use a soft-bristled brush to scrub away the stains. Rinse the exterior with a hose to remove any soap residue.
- Use a gentle cleaning product specifically designed for commercial dishwashers to clean the exterior.
- Avoid using abrasive cleaners or scrubbers, as they can damage the dishwasher’s finish or scratch its surfaces.
Cleaning the Controls and Displays
The controls and displays on a commercial dishwasher can accumulate dust and dirt, making them difficult to read. To clean the controls and displays, mix a solution of mild dish soap and warm water, and use a soft-bristled brush to gently scrub away any dirt or debris. Rinse the controls and displays with a hose to remove any soap residue.
- Use a microfiber cloth to wipe down the controls and displays, as they can leave streaks and marks on the surfaces.
- Apply a small amount of glass cleaner to the controls and displays, and use a microfiber cloth to wipe away any streaks or marks.
Sanitizing the Exterior
Sanitizing the exterior of a commercial dishwasher is an essential step to prevent the spread of bacteria and other microorganisms. To sanitize the exterior, mix a solution of bleach and water in a bucket, and use a soft-bristled brush to apply the solution to the exterior surfaces. Let the solution sit for 10-15 minutes before rinsing with a hose.
- Always follow the manufacturer’s instructions for sanitizing the exterior of the dishwasher.
- Make sure to wear protective gloves and eyewear when using bleach to prevent skin and eye irritation.
Regular Maintenance
Regular maintenance is essential to keep the exterior of a commercial dishwasher clean and free of debris. Check the dishwasher’s exterior regularly for any signs of dirt, dust, or other debris, and clean it as needed. This will help prevent the buildup of grime and maintain the
Cleaning the Exterior and Accessories of a Commercial Dishwasher
Cleaning the exterior and accessories of a commercial dishwasher is just as important as cleaning the interior. A dirty exterior can harbor bacteria and create an unhygienic environment, while worn-out accessories can lead to reduced efficiency and effectiveness. Regular cleaning of the exterior and accessories can help extend the lifespan of the dishwasher and ensure it operates at its best.
Wipe Down the Exterior
The exterior of a commercial dishwasher is made of various materials, including stainless steel, plastic, and glass. To clean the exterior, use a gentle cleaning solution and a soft cloth. Avoid using abrasive materials or harsh chemicals that can damage the surface. Start by wiping down the exterior with a damp cloth to remove any loose debris or dust. Then, use a cleaning solution and a soft cloth to wipe down the surface. Pay particular attention to areas around the controls, handles, and any other high-touch areas.
- Use a gentle cleaning solution specifically designed for the type of material the exterior is made of.
- Avoid using abrasive materials or harsh chemicals that can damage the surface.
- Use a soft cloth to wipe down the exterior, paying particular attention to high-touch areas.
Clean the Controls and Displays
The controls and displays on a commercial dishwasher are prone to dirt and grime buildup. To clean the controls and displays, use a gentle cleaning solution and a soft cloth. Avoid using abrasive materials or harsh chemicals that can damage the surface. Start by wiping down the controls and displays with a damp cloth to remove any loose debris or dust. Then, use a cleaning solution and a soft cloth to wipe down the surface. Pay particular attention to any buttons or areas that are prone to dirt buildup.
- Use a gentle cleaning solution specifically designed for electronics.
- Avoid using abrasive materials or harsh chemicals that can damage the surface.
- Use a soft cloth to wipe down the controls and displays, paying particular attention to high-touch areas.
Clean the Detergent and Rinse Aid Dispensers
The detergent and rinse aid dispensers on a commercial dishwasher can harbor bacteria and create an unhygienic environment. To clean the dispensers, use a gentle cleaning solution and a soft cloth. Avoid using abrasive materials or harsh chemicals that can damage the surface. Start by wiping down the dispensers with a damp cloth to remove any loose debris or dust. Then, use a cleaning solution and a soft cloth to wipe down the surface. Pay particular attention to any areas around the dispensers that are prone to dirt buildup.
- Use a gentle cleaning solution specifically designed for the type of material the dispensers are made of.
- Avoid using abrasive materials or harsh chemicals that can damage the surface.
- Use a soft cloth to wipe down the dispensers, paying particular attention to high-touch areas.
Clean the Drain and Filter
The drain and filter on a commercial dishwasher can harbor grease and food particles, leading to reduced efficiency and effectiveness. To clean the drain and filter, use a gentle cleaning solution and a soft cloth. Avoid using abrasive materials or harsh chemicals that can damage the surface. Start by wiping down the drain and filter with a damp cloth to remove any loose debris or dust. Then, use a cleaning solution and a soft cloth to wipe down the surface. Pay particular attention to any areas around the drain and filter that are prone to dirt buildup.
- Use a gentle cleaning solution specifically designed for the type of material the drain and filter are made of.
- Avoid using abrasive materials or harsh chemicals that can damage the surface.
- Use a soft cloth to wipe down the drain and filter, paying particular attention to high-touch areas.
Replace Worn-Out Accessories
Worn-out accessories on a commercial dishwasher can lead to reduced efficiency and effectiveness. To ensure the dishwasher operates at its best, regularly replace worn-out accessories such as gaskets, seals, and filters. Use high-quality replacement parts that are specifically designed for the dishwasher model.
- Regularly inspect the accessories for signs of wear and tear.
- Replace worn-out accessories with high-quality replacement parts.
- Ensure the replacement parts are specifically designed for the dishwasher model.
Sanitize the Exterior and Accessories
Sanitizing the exterior
Key Takeaways
Cleaning a commercial dishwasher is crucial for maintaining cleanliness, hygiene, and efficiency. By following these essential steps, you can ensure your dishwasher runs smoothly and effectively.
Remember, regular maintenance is key to extending the lifespan of your dishwasher and preventing costly repairs.
- Regularly check and clean the filter to prevent grease and food particles from accumulating and causing clogs.
- Run a cleaning cycle with a dishwasher cleaner or a mixture of hot water and white vinegar to remove grease and food residue.
- Check and replace worn-out or damaged gaskets, seals, and door seals to prevent leaks and ensure proper water circulation.
- Clean the spray arms and nozzles regularly to ensure even water distribution and prevent clogs.
- Document and schedule regular maintenance to ensure consistency and catch potential issues before they become major problems.
By following these key takeaways, you’ll be able to keep your commercial dishwasher in top condition, reduce downtime, and maintain a high level of cleanliness and hygiene in your kitchen.
Frequently Asked Questions
What is the Importance of Cleaning a Commercial Dishwasher?
Cleaning a commercial dishwasher is essential to maintain its efficiency, hygiene, and longevity. Regular maintenance prevents the buildup of grease, food particles, and bacteria, which can lead to poor cleaning performance, odors, and even equipment failure. Cleaning your commercial dishwasher also helps to reduce energy consumption and water waste.
How Often Should I Clean My Commercial Dishwasher?
The frequency of cleaning your commercial dishwasher depends on usage. As a general rule, clean the dishwasher every 1-3 months or after 300-500 cycles. However, if your dishwasher is used extensively, you may need to clean it more frequently, ideally after every 100-200 cycles.
What are the Benefits of Regular Cleaning of a Commercial Dishwasher?
Regular cleaning of a commercial dishwasher offers several benefits, including improved cleaning performance, reduced energy consumption, lower water bills, and extended equipment lifespan. It also helps to prevent the spread of bacteria and other microorganisms, ensuring a healthier environment for customers and staff.
How Do I Clean My Commercial Dishwasher?
To clean your commercial dishwasher, start by running a cleaning cycle with a dishwasher cleaner or a mixture of equal parts water and white vinegar. Then, check and clean the filter, drain, and sprayers. Wipe down the interior with a soft cloth and mild detergent. Finally, check for any blockages or clogs and run a test cycle to ensure proper function.
What if I Have a Bad Odor in My Commercial Dishwasher?
If you notice a bad odor in your commercial dishwasher, check for any blockages or clogs in the drain or sprayers. Run a cleaning cycle with a dishwasher cleaner or a mixture of equal parts water and white vinegar. You can also try washing the interior with a soft cloth and mild detergent. If the odor persists, consult the manufacturer’s instructions or contact a professional for assistance.
How Much Does it Cost to Clean a Commercial Dishwasher?
The cost of cleaning a commercial dishwasher varies depending on the type of cleaner used, the frequency of cleaning, and the size of the dishwasher. On average, a commercial dishwasher cleaner can cost between $20-$50 per bottle, and a professional cleaning service can range from $100-$500 per visit, depending on the complexity of the job.
Can I Use a Home Dishwasher Cleaner in a Commercial Dishwasher?
No, it’s not recommended to use a home dishwasher cleaner in a commercial dishwasher. Commercial dishwashers require specialized cleaners that are designed to handle the high volume and intensity of commercial use. Using a home cleaner can damage the equipment or reduce its efficiency, leading to poor cleaning performance and increased energy consumption.
Which is Better: Manual or Automatic Cleaning of a Commercial Dishwasher?
Both manual and automatic cleaning methods have their advantages and disadvantages. Manual cleaning allows for more control and customization, but it can be time-consuming and labor-intensive. Automatic cleaning, on the other hand, is faster and more convenient, but it may not be as effective in removing tough stains and debris. Ultimately, the choice between manual and automatic cleaning depends on your specific needs and preferences.
Final Thought
Regularly cleaning your commercial dishwasher is a crucial step in maintaining its efficiency and ensuring the cleanliness of your dishes. By following the steps outlined in this article, you can prevent grease and food buildup, reduce odors, and extend the lifespan of your machine. Remember, a clean dishwasher saves you time, money, and labor in the long run. It also helps maintain a hygienic environment for your customers and staff.
By incorporating regular cleaning into your maintenance routine, you can improve your dishwashing process, reduce energy consumption, and provide better service to your patrons. Don’t wait until your dishwasher breaks down – take proactive steps today to ensure its optimal performance. Schedule a deep cleaning session, adjust your maintenance schedule, and share these tips with your team to create a more efficient and effective dishwashing operation.
With a clean commercial dishwasher, you can focus on providing exceptional service and building a loyal customer base. Remember, a well-maintained dishwasher is not just a machine – it’s a key to unlocking a more efficient, profitable, and customer-centric business.
