Ever wondered why your commercial dishwasher isn't performing as it should? The secretmight just lie in a thorough deep clean. In the bustling environment of any commercial kitchen, from cafes to restaurants, learning how to deep clean a commercial dishwasher is important to keep your ally running smoothly. 

Dishwasher cleaning isn't just about getting rid of the gunk you can see; it's really about keeping things running smoothly and making sure your kitchen's MVP lasts as long as possible. In this guide, I will walk you through how to deep clean a commercial dishwasher, ensuring dishes come out spotless after every cycle.

So, let's get started!

Table Of Contents:

  • The Essential Guide to Deep Cleaning Your Commercial Dishwasher

  • Preventing Limescale and Mineral Build-Up in Your Dishwasher

  • Daily and Weekly Maintenance Routines for Optimal Performance

  • Troubleshooting Common Issues with Commercial Dishwashers

  • FAQs about How to Deep Clean a Commercial Dishwasher

  • Conclusion

A demonstration of a throughly washed Eurowash EW340 - Commercial Glasswasher

The Essential Guide to Deep Cleaning Your Commercial Dishwasher

Understanding the Importance of Deep Cleaning

A reliable commercial dishwasher is the backbone of any bustling food service business.

But here's the thing: your dishwasher is only as good as how well you maintain it. Neglecting proper cleaning can lead to a host of problems, from foul odours to clogged drains and even costly repairs.

That's where deep cleaning comes in. It's not just about the daily wipe-down; it's about getting into every nook and cranny to eliminate grime, bacteria, and mineral build-up.

In fact, regular deep cleaning can extend the life of your dishwasher by up to 5 years. That's a lot of clean dishes and savings in your pocket.

Preparing for a Deep Clean

Before you dive in, make sure you have the right tools and supplies on hand. You'll need:

  • Protective gloves

  • Safety goggles

  • Soft-bristled brush

  • Descaling solution

  • Manufacturer-recommended cleaning agents

Next, consult your dishwasher's manual for any specific instructions or precautions. Different models might need their own special something to shine.

Once you're geared up and informed, it's time to get cleaning.

Step-by-Step Deep Cleaning Process

Ready to give your dishwasher some TLC? Follow these steps for a sparkling clean machine:

  1. Drain the dishwasher and remove any visible debris from the filter and interior.

  2. Remove and clean the wash arms, rinse arms, and filter screen. Soak them in a descaling solution if needed.

  3. Scrub the interior walls, door, and gasket with a soft brush and cleaning solution. Pay extra attention to corners and crevices where grime likes to hide.

  4. Run the empty dishwasher on the hottest cycle with a manufacturer-approved cleaner to disinfect and deodorise.

  5. Wipe down the exterior and leave the door open to air dry completely.

Voila. Your dishwasher is now deep-cleaned and ready to tackle even the toughest dishes.

Winterhalter conveyor dishwasher having a clean up maintenance

Preventing Limescale and Mineral Build-Up in Your Dishwasher

Limescale and mineral build-up can pose a significant challenge for commercial dishwashers, especially in areas with hard water. These deposits not only hinder the machine's efficiency but can also lead to costly repairs and shortened lifespan.

Identifying Hard Water Issues

If you've noticed a white, chalky substance on your dishes or in your dishwasher, you might have a hard water problem. Hard water is high in minerals like calcium and magnesium, which can leave behind stubborn deposits known as limescale.

Over time, limescale buildup can clog spray nozzle arms, reduce water pressure, and even damage your dishwasher's heating elements. This sneaky culprit is what's tanking your dishwasher's performance.

So how can you tell if you have hard water? Some telltale signs include:

  • Cloudy glassware and dishes

  • Soap scum on the dishwasher interior

  • Reduced cleaning performance

  • Visible mineral deposits around the spray arms, wash tanks, or heating element

If you suspect hard water, you can test your water supply with a simple kit from your local hardware store.

Choosing the Right Descaling Agents

Once you've identified a limescale problem, it's time to take action. Picking the perfect descaling agent for your dishwasher is pretty much where it's at.

Commercial descalers are specifically formulated to break down mineral deposits without damaging your machine. Look for products that are:

  • Phosphate-free

  • Non-toxic

  • Safe for stainless steel and other dishwasher components

Avoid using harsh acids like vinegar or lemon juice, as these can corrode seals and gaskets over time. Also, always follow the manufacturer's instructions for dilution and application. Some descalers require an empty cycle, while others can be added directly to the wash.

Regular Maintenance to Prevent Build-Up

The best defence against limescale is a good offence. Incorporating regular descaling into your maintenance routine can prevent major build-up and keep your dishwasher running smoothly.

Aim to descale your dishwasher at least once every 1-3 months, depending on the hardness of your water. You can also:

  • Use a water softener to reduce mineral content

  • Run an empty cycle with a descaling agent monthly

  • Leave the dishwasher door open after each cycle to allow for complete drying

  • Regularly inspect and clean the spray arms and filter screen

By staying proactive about limescale prevention, you can avoid costly repairs and keep your dishwasher working like new for years to come.

Discover the secrets to preventing clogs, ensuring optimal cleaning results, and prolonging the life of your dishwasher. Click to read the full article.

Washtech industrial dishwasher washed with Washtech Washcare Rinse Aid

Daily and Weekly Maintenance Routines for Optimal Performance

While deep cleaning is essential for maintaining your commercial dishwasher, daily and weekly maintenance routines are key to keeping it operating at its best. 

Daily Cleaning Checklist

Keeping your commercial dishwasher in tip-top shape starts with daily maintenance. Make it a habit to:

  1. Remove and rinse the filter screen after each service

  2. Wipe down the door gasket and interior walls

  3. Check the dishwasher detergents and rinse aid levels and refill as needed

  4. Run a quick rinse cycle to flush out any remaining debris

These simple tasks take just a few minutes but can make a big difference in your dishwasher's performance and longevity.

Weekly Inspection and Maintenance Tips

In addition to daily upkeep, set aside time each week for a more thorough inspection and cleaning. Your weekly checklist should include:

  • Removing and soaking the wash and rinse arms in a descaling solution

  • Scrubbing the interior walls and door with a soft brush and mild detergent

  • Checking the spray arm nozzles for clogs and cleaning as needed

  • Inspecting hoses and connections for leaks or wear

  • Running a sanitising cycle with an approved cleaner

By staying on top of weekly maintenance, you can catch potential issues early and keep your dishwasher operating at peak efficiency.

Remember, a well-maintained dishwasher is a reliable workhorse in your commercial kitchen. Investing just a little time and effort into daily and weekly upkeep can save you from costly downtime and repairs down the line.

Key Takeaway: 

Deep cleaning your commercial dishwasher is key to keeping it running smoothly and extending its lifespan. Make sure you've got the right tools, follow a step-by-step process for thorough cleaning, and stay proactive about limescale with regular maintenance. A bit of effort goes a long way in preventing costly repairs.

Troubleshooting Common Issues with Commercial Dishwashers

Even with regular maintenance, you may encounter occasional issues with your commercial dishwasher. Knowing how to recognize and address these problems can help you keep your dishwasher running smoothly.

Recognising Signs of Trouble Early On

Neglecting dishwasher care can lead to easily avoidable, costly repairs down the line.

Pay special attention to these red flags that signal your commercial dishwasher needs some TLC:

  • Dishes coming out dirty or with food still stuck on

  • Strange noises during the wash cycle

  • Leaks or puddles around the machine

  • Longer than usual wash cycles

Catching these issues early on can save you from a world of hurt (and expense) later. Daily cleaning and regular maintenance are key to keeping your dishwasher running smoothly.

Don't let food debris and mineral buildup slowly eat away at your machine's performance. A little elbow grease each day can prevent major headaches in the future.

Think of it like brushing your teeth - a few minutes of preventative care beats a painful (and pricey) root canal any day.

So, keep an eye out for those warning signs and nip problems in the bud. Your dishwasher (and your wallet) will thank you.

When to Call in the Professionals

Sometimes, despite your best efforts, your commercial dishwasher just won't cooperate. That's when it's time to call in reinforcements.

If you've tried troubleshooting and deep cleaning but are still experiencing issues, it might be beyond your pay grade. Don't play plumber or electrician if you're not qualified - it could make matters worse (and more expensive).

Swallow your pride and pick up the phone if you encounter:

  • Major leaks or flooding

  • Electrical problems or wiring issues

  • A complete machine breakdown

  • Persistent problems that DIY fixes can't solve

A professional technician has the tools, expertise, and experience to diagnose and fix complex dishwasher problems. They're also pros at catching potential problems early on, stopping them from turning into total nightmares.

Also, if you try fixing things on your own, you might accidentally make things worse or even lose your warranty coverage. It's just not worth the risk.

So, know when to throw in the towel and call for backup. A little professional help can go a long way in extending the life of your commercial dishwasher and maintaining optimal performance.

Don't let stubborn pride or penny-pinching lead to even costlier repairs down the road. When in doubt, call the pros out.

Key Takeaway: 

Spotting early signs of trouble with your commercial dishwasher, like dirty dishes or leaks, can save you from costly repairs later. Regular cleaning and maintenance are crucial. But when DIY fixes won't cut it, calling in the pros is smarter than risking more damage.

FAQs About How to Deep Clean a Commercial Dishwasher

How do you clean the inside of a commercial dishwasher?

To clean the inside of a commercial dishwasher, first remove all racks and trays. Then, scrub the interior surfaces using a non-abrasive pad and a mild detergent. Pay close attention to hard-to-reach areas and potential build-up spots. 

Once cleaned, run a hot water cycle to rinse away any remaining residue. For stubborn stains or grime, consider using a commercial-grade cleaning solution.

How often should a commercial dishwasher be descaled?

The frequency of descaling a commercial dishwasher depends on the hardness of your water. Typically, descaling should be done every 1 to 2 months in areas with harder water. In softer water regions, the interval can be longer. Regular descaling helps maintain efficiency and prolongs the life of the machine.

Can you clean a commercial dishwasher with vinegar?

While vinegar is a natural cleaner, it may not be strong enough for the demands of a commercial dishwasher. For optimal cleaning and to avoid potential damage to the machine, it’s best to use professional-grade cleaners specifically formulated for commercial dishwashers. These cleaners are designed to tackle tough residue and maintain the machine's performance.

How do you remove limescale from an industrial dishwasher?

To remove limescale from an industrial dishwasher, select a robust descaling agent that is designed for industrial use. Ensure to follow the instructions carefully to prevent any potential damage.

Conclusion

So there we have it – your step-by-step companion on how to deep clean a commercial dishwasher without breaking into an overdrive sweat or calling for backup. Keep in mind that sticking to these habits every day is your best bet for keeping both dishes sparkling and your machine running smoothly for a long time. 

With each scrubbed spray arm and descaled heating element comes the promise of pristine plates ready for whatever culinary delights await them next. Now go ahead - let those cleaning rituals bring back the shine not only to your dishes but also breathe new life into your trusted machine.



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