A well-functioning kitchen exhaust system is the backbone of a commercial kitchen. It removes excess heat, smoke, and airborne grease particles, ensuring a comfortable cooking environment.
However, over time, you may notice that the kitchen exhaust fan is not drawing out sufficient air or the fan motor stops working completely. Such failures usually occur due to poor maintenance.
In this blog, we will check out some common causes of kitchen exhaust fan failure and offer quick solutions for exhaust fan repairs, ensuring you always maintain a safe and well-ventilated cooking space.
1. Neglecting Your Grease Filter Cleaning Tank
The most common cause of kitchen exhaust problems is the buildup of grease on the filters. Grease filters are designed to trap airborne particles and prevent them from clogging the exhaust system. However, these filters can quickly become saturated with grease, reducing airflow and increasing the strain on the fan motor.
In commercial kitchens, grease filter cleaning tanks are often employed to remove buildup from the filters. These tanks use a combination of cleaning agents and water to break down grease and other debris. Regularly cleaning the filters in a grease filter cleaning tank is essential for preventing fan failure. When grease builds up on the filters, it can block airflow, overwork the fan motor, and lead to overheating, ultimately causing the exhaust fan to fail.
Solution: Regularly clean grease filters according to the manufacturer’s guidelines. If you’re using a grease filter cleaning tank, schedule cleanings at least once a week to ensure that filters stay free of debris and continue to work efficiently.
2. Poor Maintenance of Access Panels
Access panels are crucial for gaining entry to various components of kitchen exhaust systems, including the fan, motor, and ductwork. These panels allow for inspection, cleaning, and maintenance. Unfortunately, if access panels are not properly maintained or ignored during routine inspections, it can lead to significant issues.
Over time, grease, dust, and other debris can accumulate behind these access panels, leading to blockages in the ductwork. Blocked ducts restrict airflow, causing the fan to work harder and leading to motor failure. Additionally, worn-out seals on the access panels can allow leaks, reducing the overall efficiency of the exhaust system.
Solution: Regularly inspect and maintain access panels to ensure they are in good condition. Ensure that seals are tight and intact, and clean behind the panels to prevent any debris from blocking airflow in the ductwork.
3. Inefficient Grease Containment Systems
An effective grease containment system is designed to collect and trap grease expelled through the exhaust fan. This system prevents grease from building up on the roof or other external kitchen areas, which can create safety hazards, including fire risks. However, if your grease containment system is not properly maintained, it can quickly lead to fan failure.
When the grease containment system is not emptied or cleaned regularly, grease can overflow, causing it to seep back into the exhaust system. This can clog fan blades, ducts, and other components, making the fan work harder to expel air. Over time, this additional strain can cause the fan motor to burn out.
Solution: Schedule regular maintenance of the grease containment system to ensure it functions properly. Empty grease traps frequently, clean the system thoroughly and check for any signs of blockages or buildup to prevent the need for exhaust fan repairs.
4. Faulty or Worn-Out Hinge Kits
Hinge kits play an essential role in maintaining kitchen exhaust systems, particularly in commercial kitchens. These kits allow the exhaust fan to be easily tilted for cleaning and maintenance. Without proper hinge kits, it becomes difficult to access and clean the exhaust fan, leading to an accumulation of grease, dirt, and debris.
When hinge kits are faulty, broken, or improperly installed, it not only hinders maintenance but also poses a risk to the integrity of the exhaust fan. The fan may not be secured properly, leading to operational issues or potential damage during cleaning. In some cases, fans without hinge kits are improperly reinstalled after cleaning, causing misalignment or poor sealing, which can result in fan failure.
Solution: Ensure your exhaust system has durable, high-quality hinge kits. Regularly inspect these kits for wear and tear, and replace them as needed. A properly installed hinge kit makes maintenance easier and helps extend the life of your kitchen exhaust fan.
Conclusion
Kitchen exhaust fan is a critical component of any cooking environment, whether commercial or residential. Regular maintenance is key to ensuring its efficiency and longevity. Neglecting essential elements such as grease filter cleaning, access panels, grease containment systems, and hinge kits can lead to serious performance issues and eventual fan failure.
By taking proactive steps to maintain these components, you can keep your kitchen exhaust systems running smoothly and avoid costly repairs down the road. Regularly inspect and clean your exhaust system to keep your kitchen safe, clean, and comfortable for all your culinary activities.
Searching for exhaust fan repairs? Book a service with Wired Air at 0429 612 624 today.