What are Some Common Commercial Dishwasher Problems, and How Can They Be Fixed?

What are Some Common Commercial Dishwasher Problems, and How Can They Be Fixed? 

Dishwashers in Sydney & Brisbane are essential for keeping a restaurant or cafe running smoothly. They handle large volumes of dishes quickly, ensuring your kitchen operates efficiently. However, like any equipment, they can develop issues over time. Knowing common problems and their fixes can save time, money, and frustration. 

Here’s a guide to the most frequent commercial dishwasher issues and how to address them effectively. 

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Dishes Not Coming Out Clean 

Problem: 

One of the most common complaints is dishes coming out dirty or with food residue still on them. This issue can disrupt operations and leave customers dissatisfied. 

Causes: 

• Clogged spray arms 

• Low water temperature 

• Incorrect detergent 

• Overloading the machine 

Fixes: 

• Clean Spray Arms: Take out and clean the spray arms to confirm proper water flow. Use a brush to remove clogs caused by grease or debris. 

• Check the Temperature: For optimal cleaning, ensure the water temperature is between 60°C and 70°C. Adjust the thermostat if needed. 

• Use Proper Detergent: Always use commercial-grade detergent recommended for your machine. Avoid household detergents, as they may not be effective. 

• Load Correctly: Do not overload the commercial dishwasher in Brisbane & Sydney. Confirm that plates are placed correctly so that liquid and soap can reach all surfaces. 

Dishwasher Not Draining Properly 

Problem: 

Water pooling at the bottom of the equipment can lead to unpleasant odours and unhygienic conditions. 

Causes: 

• Clogged drain filters 

• Blocked drain hose 

• Faulty drain pump 

Fixes: 

• Clean the Drain Filters: Remove and clean the filters to ensure they are not blocked by food particles or debris. 

• Inspect the Drain Hose: Check for kinks or clogs in the hose and clear them. 

• Test the Drain Pump: If the pump is defective, it may need to be repaired or replaced. If necessary, contact a professional technician. 

Appliance Leaking Water 

Problem: 

When you buy dishwasher online in Sydney & Brisbane and it leaks, it can create a mess and pose security risks in a bustling kitchen. 

Causes: 

• Damaged door seals 

• Loose connections in hoses or valves 

• Cracked equipment tub 

Fixes: 

• Replace Door Seals: Inspect the rubber gasket around the door. If it’s worn out or ruined, change it. 

• Tighten Connections: Ensure that all hose and valve connections are secure. 

• Inspect the Tub: If the tub has a crack, it may need a professional repair or replacement. 

Dishwasher Not Starting 

Problem: 

If you shop dishwasher in Brisbane & Sydney and it won’t start, it can bring dishwashing operations to a halt. 

Causes: 

• Power supply issues 

• Faulty door latch 

• Malfunctioning control panel 

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Fixes: 

• Check Power Supply: Confirm that the product is plugged in and the circuit breaker is not malfunctioning. 

• Inspect the Door Latch: If the door latch is not engaging correctly, the equipment won’t start. Replace it if it’s broken. 

• Test the Control Panel: If buttons or the display are unresponsive, the control board may need to be fixed or replaced. Seek professional assistance. 

 

Cloudy Glassware 

Problem: 

Glassware coming out with a cloudy or chalky appearance is a common problem in commercial dishwashers. 

Causes: 

• Hard water deposits 

• Using too much detergent 

• Inadequate rinsing 

Fixes: 

• Use a Water Softener: If hard water is the issue, install a water softener to prevent mineral deposits. 

• Adjust Detergent Usage: Follow the manufacturer’s instructions for the right amount of detergent. Excess detergent can leave residue on dishes. 

• Rinse Thoroughly: Ensure the rinse cycle works properly to rinse away detergent and mineral buildup. 

Product Making Loud Noises 

Problem: 

Unusual noises like grinding, banging, or rattling can indicate mechanical issues in the machine sourced from your dishwasher suppliers & dealers in Sydney & Brisbane. 

Causes: 

• Dirt & remains get stuck in the spray arms or pump 

• Loose or worn-out parts 

• Faulty motor 

Fixes: 

• Clear Debris: Check the pump and spray arms for any debris and clean them. 

• Tighten Loose Parts: Inspect and tighten any loose screws, panels, or parts. 

• Replace the Motor: If the motor is making excessive noise, it may need to be replaced. Contact a qualified technician for help. 

Equipment Not Filling with Water 

Problem: 

If the dishwasher doesn’t fill with water, it won’t be able to clean dishes effectively. 

Causes: 

• Blocked water inlet valve 

• Low water pressure 

• Faulty float switch 

Fixes: 

• Clean the Water Inlet Valve: Remove and clean the valve to ensure water can flow through it. 

• Check Water Pressure: Ensure your kitchen’s water pressure meets the product’s requirements. 

• Inspect the Float Switch: If the float switch is stuck or broken, it may need to be repaired or replaced. 

Dishes Not Drying Properly 

Problem: 

Wet dishes after a drying cycle in the product procured from top dishwasher manufacturers & distributors in Sydney & Brisbane can be frustrating and time-consuming. 

Causes: 

• Faulty heating element 

• Incorrect rinse aid usage 

• Ventilation issues 

Fixes: 

• Replace the Heating Element: If the warming component is defective, replace it to restore proper drying. 

• Use Rinse Aid: Rinse aid helps water slide off dishes and speeds up drying. Ensure that the wash helping dispenser is filled. 

• Check Ventilation: Ensure that the appliance’s vent is not blocked and is functioning correctly. 

Dishwasher Overheating 

Problem: 

Overheating can damage the commercial dishwasher in Sydney & Brisbane and the dishes inside. 

Causes: 

• Malfunctioning thermostat 

• Faulty heating element 

Fixes: 

• Test the Thermostat: If the thermostat isn’t regulating the temperature correctly, replace it. 

• Inspect the Heating Element: Ensure the heating element is not staying on for too long. Replace it if needed. 

Preventive Maintenance Tips 

1. Regular Cleaning: To prevent blockages weekly, clean filters, spray arms, and drain lines. 

2. Descale the Machine: Remove hard water buildup periodically to keep the dishwasher running efficiently. 

3. Inspect Seals and Gaskets: Check for wear and tear and replace them as needed. 

4. Follow Manufacturer Guidelines: Use recommended detergents and rinse aids. 

5. Schedule Professional Servicing: Have a technician inspect the machine at least once a year to address any underlying issues. 

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When to Call a Professional 

While many equipment problems can be resolved with basic troubleshooting, some require expert attention. If you encounter electrical faults, severe leaks, or problems that recur despite repairs, it’s time to call a professional technician. 

Conclusion 

Commercial dishwashers are workhorses in any kitchen. Frequent upkeep and quick troubleshooting can keep them running effectively. By understanding common problems and their fixes, you can minimise downtime and ensure smooth kitchen operations. Stay proactive with your dishwasher’s care; it will serve your business reliably for years to come!