Indoor Fan Not Working E3, H6 . Some units have a shutoff switch on the side of the unit or an Emergency Switch located on a wall. So, you do some investigating and realize that even though the outside unit is buzzing, the fan isn’t spinning. Notify me of new posts by email. First make sure there is power to the indoor unit and that a switch or breaker isn't off. If this is an A/C in a car then one possibility is evaporator icing, which I have experienced in two different cars. No Indoor Fan Not Running Monly Reported Hvac Problems . When your air conditioner’s outside fan is not working, inspect the fan itself. Maybe you notice that there is warm air blowing through your vents—despite the fact that you are good about changing your AC filters and you’ve never had any type of problem like this. The main control board can be divided into input power supply, a microcomputer controller integrated circuit, temperature sensor inputs and outputs to control the compressor, indoor fan speed, outdoor fan speed and air swing. Below is a list of possible causes. Air Conditioner Outside Unit Fan Not Working. On 2018-10-14 by (mod) - By private email: I would appreciate any help or comments on things I can check on my AC unit. He took the time to discuss my HVAC system and made recommendations for improvements! Add a comment. Sometimes the belts wear out, crack, and eventually break. Here’s an easy way to test if the fan’s capacitor is bad. Skim through our list - we hope it helps! If it’s a blown fuse or tripped circuit breaker, the search has come to an end. (Even if it's not a heat pump.). Works fine when I switch to the "ON" position. We have a split unit. They are the kind of people you would invite to your house for dinner. Indoor Fan Not Working On Ac Unit; About author. Your email address will not be published. If the relay board isn’t working properly, the fan might not run. You can find the part number for the board you need in our spare parts section. google_ad_slot = "2612997342"; Any help would be appreciated. We hope this information helps, but please note that these are just rough guidelines, and not all possible situations are covered. The fan blower should come on. Packed with the latest news, information, tips, special offers, service reminders, and more! Cancel reply. Common solutions for: Why is My AC Fan Not Working? If the relay board isn’t working properly, the fan might not run. No comments so far. If you take a look at the blower section of your heating system it is quite easy to see if you have a belt driven blower motor. If you are certain that all of the other components are working properly, replace the relay board. Be first to leave comment below. pmhabo, Jul 18, 2011 #1. jadnashua Retired Defense Industry … Sante Blog . Some customers don't even know they have an air filter and it has never been checked. If you turn the unit to either heat or fan only, the inside fan should come on and move air. Hannabery South1342 S. W. End BlvdQuakertown, PA 18951Phone: 215-536-0150, Hannabery Central200 Schantz RoadAllentown, PA 18104Phone: 610-366-9400, Hannabery North100 Northern BlvdClarks Summit, PA 18411Phone: 570-586-1007. Feel for air coming out of the vents. Or the motor just burns up or weakens. United Refrigeration, CC Dickson, Aireco, etc) to order a new board or PFC module. Listed below are some of the most common problems you can encounter. Air Conditioner Fan Not Working. Click flowchart for printable version. If it is in the air conditioning mode, check for ice around the evaporator coil and on the refrigerant lines at the indoor unit. If the fan motor is not working properly, it must be replaced. The bottom four causes in blue are commonly found problems and can be addressed, even fixed by the homeowner. If the fan isn't working, that can cause the coil to freeze. Your HVAC tech was very professional and thorough. However you want to word it, if your indoor fan isn't working it could be several things. The circulation fan motor has two fan blades: one on either side of the motor. Look at fan and make sure nothing got sucked into the blades and is blocking it. Relay boards are often misdiagnosed; before replacing the board, make sure you check more commonly defective parts—particularly the fan motor capacitor and the fan motor itself. Is the fan actually spinning. Goodman Air Handler Won T Shut Off Doityourself Munity Forums . When the air conditioner fan does not work, the problem usually links back to power and energy sources. google_ad_client = "ca-pub-6101026847074182"; If all else fails, check to see if there is a problem with your air conditioner’s physical fan. If the fan is not spinning, is it jammed, ie can you spin it by hand. You know there's cold air happening somewhere inside that box, but with the AC fan not spinning, the air has no way of getting out of the box to cool you off. © 1997-2021 Hannabery HVAC. Red = Professional fix | Blue = Homeowner fix. If the fan is clean and not jammed, then its either the fan motor or the indoor electronic speed controller. There are couple of possibility behind AC is not cooling but your fan is working. Excellent customer service. If the coil is frozen, shut off the air conditioning immediately. If the compressor isn’t starting, check the wiring connecting the two units. Some equipment still use belt driven motors. Central AC Not Working At All. My AC blower won't kick on when in the AUTO fan position. Then check-out our page - heat pump iced-up in summer. Chris & Phil completed installing a new heat pump for our second floor. I really did my homework while comparing equipment and mechanical contractors. The indoor fan, or “blower” as it is often called, is housed inside your furnace or air handler unit. But also check the main breaker panel. The first is an inspection of the outdoor unit to physically see if the fan is turning. Discussion in 'HVAC Heating & Cooling' started by pmhabo, Jul 18, 2011. pmhabo New Member. If the AC fan motor is bad or the capacitor is faulty, you should always contact an expert HVAC technician to repair or replace parts. Try setting the thermostat fan switch to the "on" position. The blower fan is not coming on. Split Ac Indoor Unit Fan Not Working. All rights reserved. To determine the cause of a blower fan failure, isolate the motor, and perform some basic electrical tests. Copyright © 1997new Date().getFullYear()>1997&&document.write("-"+new Date().getFullYear()); Hannabery HVAC. The technician was terrific! There are four specific reasons why you might find your air conditioner fan not working. Sounds like you may have a bad motor on the inside fan. This is much easier and less expensive to repair than a motor going bad. Split ac air conditioner indoor outdoor the pressor or a new air conditioner split multi type air conditioners what to do if a c unit is not cooling ac unit fan not spinning what should i . No Indoor Fan Not Running Monly Reported Hvac Problems. Move the lever on the thermostat to the “ON” position. We will go over a few things to check before calling for service. The blower motor is crucial to the proper function and operation of your HVAC system. If it is still "hissing" or "humming" then either motor is bad or if there is a start capicator, it may have went out. You can hear the compressor working. The dual shaft fan motor (or circulation fan motor) might be defective. If the fan isn't working, that can cause the coil to freeze. 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