You can use a multimeter set to ohmmeter mode to check them. If the sensors are defective it will lead to excess ice which could touch the fan turbine and then make a noise. They also serve to turn off the heating elements at the end of the defrost cycle. The sensors on the fridge and freezer are used to take readings of the temperatures in the different compartments. If this is not the case, and the thermal fuses aren't defective, then you need to replace the timer.
Wait to see whether the heating element starts heating up. To test it, you can manually turn the timer yourself until the defrosting process begins, at which point you'll hear a click. If the defrost timer is defective it will lead to excess ice which could touch the fan turbine and then make a noise. The defrost timer allows your fridge to defrost automatically. If there is no continuity, you will need to replace it. Disconnect all the connectors and place both the tester's tips on the heating element's two terminals to check for continuity (it should give a reading).
Locate the defrost heating element which is usually fixed onto the evaporator. You can test this using a multimeter in ohmmeter mode. If the defrost heating element is defective it will lead to excess ice which could touch the fan turbine and then make a noise. The defrost heating element is for defrosting any potential ice formation on the frost compartment of your fridge. If there is no continuity then you need to replace them. Disconnect all the connectors and place both the tester's tips on the thermal hose's two terminals to check for continuity. Locate the thermal fuses which are usually near the evaporator and the defrost heating element. You can test your fridge's fuses by using a multimeter set to the ohmmeter position. If they are defective, no defrosting can take place which creates excess ice, which will end up rubbing on the fan blade and creating a noise. The thermal fuses are thermal protection components. If it has trouble opening or keeps opening and shutting all the time, you must replace it. If this is the case, you can try greasing it with silicon grease. It may be that the damper has started groaning and creaking. At this point, the electric damper opens and lets the coldness through. On fridge-freezers equipped with No Frost (frost free) technology, each time the fridge compartment requests more coldness, the fan on the freezer compartment begins operating. If not, you can always apply a little silicon grease to the axles to reduce the noise. If this isn't the case, you will need to replace it. You can dismantle it and and check there's nothing in the way. Your fridge's fan may be noisy, if it is rubbing against another component.
You can use little bits of foam to stabilise everything. If the shelves or the drawers at the bottom of your fridge aren't level they will vibrate when your fridge's compressor is operating. Try separating them by gently pulling them apart a few millimetres. It may also be the case that these tubes are touching each other or touching something else like the wall for example, which could also be creating noise. The tubes and the black condensor coil at the back of your fridge may be loose and may start vibrating. To sort out the issue, you can use a spirit level to help you stabilise it. Your fridge can start vibrating if it isn't stable. The coolant is having trouble circulatingīefore you do anything to your appliance, make sure you disconnect it from the power supply.The thermostat is no longer regulating properly.
Is your fridge making a noise and you don't know why? We're going to tell you the various factors that could be causing this, and how to solve them.