What are the reasons for the blower not working in Renault Koleos?
3 Answers
Here are the reasons why the air conditioning blower in Renault Koleos is not working: 1. Poor contact: The main control switch has poor contact. 2. Wire port damage: The fan motor wire port is damaged. 3. Loose screw: The tightening screw between the fan motor and the fan blade is loose. 4. Short circuit: The fan capacitor is open or short-circuited. Here is the extended information on how to deal with the air conditioning blower not working: 1. Replace the switch: Use a multimeter to measure the contact resistance of the main control switch, replace the main control switch or the fan motor coil). 2. Tighten: Tighten the tightening screw. 3. Check the capacitor: Replace it with a capacitor of the same specification.
I've been driving for over a decade and have encountered issues with the blower not working. On a Renault Koleos, this could be due to a blown fuse, typically located in the fuse box near the driver's seat. Using a multimeter to test it can confirm. Another common cause is a faulty blower motor, often due to long-term wear or unstable voltage. Wiring short circuits from aging are also frequent, especially during rainy days, so check for loose plug connections. Resistor or relay failure is another factor to consider, especially if you hear strange noises when turning on the AC. I recommend starting with the fuse check—it's simple and cost-effective. For maintenance, inspect the AC system every six months to avoid discomfort from no airflow while driving. If DIY fixes don't work, visit a professional shop promptly to maintain driving comfort.
I found that when the blower stops working, the air conditioner stops blowing air, which is really unbearable in summer. Common issues include blown fuses, which are easy to replace yourself. It could also be a faulty blower motor, where the carbon brushes wear out or the coils burn out after several years of use. Poor wiring connections are another major cause, especially after water ingress from car washing or disconnections due to bumps. Don't forget the possibility of a malfunctioning air conditioning control switch; if a knob doesn't respond, it needs to be checked. All these issues can degrade the air quality inside the car, which is bad for health. I suggest first locating the fuse in the manual and trying to replace it; if that doesn't work, then take it for repair. Regularly cleaning the air conditioning filter can also prevent such problems.
