Split Ac Blower Fan Making Noise . If your split air conditioner’s blower fan is making noise, there are a few potential causes. The most common reason is simply that the fan blades need to be cleaned. Over time, dust and other debris can build up on the blades, causing them to become unbalanced and produce a rattling sound when they spin. Damaged drain pan. The drain pan helps to collect any condensate but when it overflows, your aircon may leak water as well. The pan is made of iron which makes it prone to rust. Corrosion might also cause the aircon water tray to have gaps that cause the condensate to leak from the pan. Check Your Thermostat. If your Fujitsu inverter AC is connected to your home’s thermostat, the thermostat may be the source of the problem. The first thing you should do is check to see the thermostat has power. If the screen is blank, the batteries may be dead. Replace dead batteries and see if it solves the problem. Here are the top four: 1. Keep your coil clean. When your evaporator coil (indoor) is covered in dust and dirt, it can’t remove all of the heat and humidity that it’s designed to remove. Even if the coil isn’t so dirty that it prevents the AC from cooling your home, it can still be dirty enough to inhibit moisture removal. What To Do When your AC Keeps Tripping the Breaker: Step 1. To begin diagnosing your system's problem, follow these steps: Turn off whichever AC system keeps causing the circuit breaker trips (including its thermostat functions) At the tripped panel, turn back on the tripped circuit. You want to wait at least 30 minutes with the AC off! Lugs: The screws on the disconnect that are housed in a metal block. They are the screws that hold the wires down. One should say "line," and the other should read "load." When you test the voltage, you press the metal end of the lead down on the lugs as directed above. Here the "line" is being tested. .

split type aircon blower problem