bad condenser fan motor symptoms

Replaced condenser fan motor and capacitor now unit won't start but indoor fan will blow. Noticed over the weekend that the exhaust fan on top of the condenser unit was not running (single speed Trane XR16 4TTR6061C1, installed about 3 years ago). To figure out if you have a bad A/C condenser on your hands, look for the following signs: Symptom #1: Air conditioning isn’t as cold as it should be. Clean the condenser coils if dirty. One of the most common signs of a failing AC condenser fan motor is reduced cooling. The condenser fan works similarly to other fans you have seen. SELECT YOUR VEHICLE. There could also be a problem with the fan itself. A bad ignition condenser can have several effects on your car. When this happens, air flow reduces and so does cooling. And since your fan is essential to keeping the condenser cool, the condenser may overheat. it wont be visible usually but if you feel any give in the shaft then the bearings are bad. 2) Hot Engine . Then, you have a larger repair on your hands. For example: Let’s say an R-134a air-cooled condenser is running at a condensing pressure of 147 psig (110?F) at an ambient of 90?. So I turned off the system and called installer for service (same company used for maintenance). At the condenser the temperature of the medium is very high, the fan blows the condenser, the vapor liquid is cooled, condensed into a liquid under high pressure and low temperature. If not, the capacitor or the blower motor is not functioning properly. You might get away with less if a company uses time and materials. The relay is … If your AC fan is not spinning, find a long, thin object (a stick, screwdriver, pliers). you could have a bad condenser fan motor. Problem is bound to arise whenever the condenser fan goes bad. hold the shaft and move it side to side. Reply: Though considered a single component, it’s made up of several parts, such as a motor, fans, tubes, condenser coil, circuit board, and a … Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor. 9 Posts . The function of the condenser fan is to keep the condenser cool whenever it gets hot. It also saves electricity. www.supercoolsliderule.com -- This video tutorial illustrates how to test and diagnose if a condenser fan motor is bad. Most condenser fan motors have been designed to operate at temperatures up to around 150F. getting the fan off the old motor. Keep in mind that the cost of an engine ranges from $300 to $700 depending on the vehicle, model year, and availability. A slow condenser fan (or air handler unit fan) could be caused by a bad start-run capacitor. I'm soaking it in PB Blaster, but so far no go. (See Table 1.) If your fan does not stop even after switching off that is a direct sign that the AC motor is bad. ... number of things. If the condenser fan is defective, replace it. If you have voltage and the fan isn’t coming on then your fan motor is bad. A combination of fern leaves and lint can partially block the condenser’s airflow, which causes high condenser pressures and inefficiencies. The air condenser has a fan which keeps it cooled down. The following are the signs and symptoms of a bad AC fan motor. 2. If the condenser ends up going bad, there are symptoms that would be displayed. The motor powers the fan, which is a series of blades that turn to create wind. 5 Signs Your AC Fan Motor Is Bad. An AC condenser is the part within an air conditioning unit that’s responsible for cooling down and condensing incoming refrigerant vapor into a liquid state. If it doesn’t come on check for 12vdc at the fan plug. Sometimes the inevitable happens. Since the condenser fan is visible from the top of the outdoor condenser unit, you can easily tell if it’s working. If the fan were to malfunction, it could overheat both the air conditioning system and the internal combustion engine. That ought to eliminate a failing compresor motor and also loose condenser unit parts such as a grille, motor or unit isolation feet, mounting, piping supports, failing contactor relays, bad fan motor, or other loose parts. This is to enable the condenser effectively convert gas into liquid and then keep the AC system operating effectively. The relay controls the engine’s cooling fans as well as the fan for the A/C condenser. Look through the vents for the fan on top of the unit. Service Location. The blower motor in your furnace blows hot air through the ducts and into your home. One of the first symptoms commonly associated with a fan relay is an AC that blows warm air. 7 Signs and Symptoms of a Bad AC Fan Motor. Heavy Static in the Radio If the condenser is not able to hold a charge, there will be significant sparking inside the ignition system. Bad Cooling Fan Relay Symptoms. Idk what's wrong and can't figure it out it ran fine other than a bad motor now it doesn't do anything. However, you should have it fixed before strain on the system leads to compressor failure. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. This is a Delta T of 20?. When there is something wrong with the fan motor, it can overheat and cause problems with the HVAC system. If your refrigerator isn't getting cool, the fan is just one of many possible reasons. You can likely match this motor up at a local motor shop or HVAC supply house, for about 75-100 dollars. The refrigerant is cooled before it moves through the expansion device and into the evaporator. Cooling fans do not come on. 1. If the cooling fan motors burn out or fail, the cooling fans will be disabled. Set screw is loose, I tried giving it a few good blows with a hammer and punch, won't budge. Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor. AC Fan Doesn’t Start Even though you have the AC turned on, the fan does not start. It may be engaging or coming on too late. If damage to the condenser results in restriction of refrigerant flow, the whole system will be less efficient. Replaced condenser fan motor with a universal 4 wire motor and old 45/5 capacitor with new 45/5 capacitor and unit will not run at all. 1. A bad or faulty capacitor can exhibit many signs and symptoms. The liquid refrigerant continues to circulate to the filter or desiccator, where the refrigerant is purified by absorbing all moisture and impurities. Unfortunately I was pressed for time and took it to an AC guy in Pensacola that replaced the fan to the tune of $240 for the fan and 175 for labor. Also, check the condenser coils to see if the coils are dirty-dust on the coils can prevent air from cooling the refrigerant. In many cases, it will be a bad car condenser. That should also eliminate noises traced to improper voltage such as too-low voltage and a motor unable to start. The condenser fan is in the machine compartment of the refrigerator next to the compressor. I could hear the compressor humming and the unit was radiating heat like a pizza oven, never felt heat like that coming from it before. The Fan Does Not Stop Running. Malfunctioning of the thermostat is the cause of the problem. QUOTE=mdshunk]My flat rate book says that changing the condenser fan motor on that unit will cost $345. Its capacitor works like a battery and stores the energy needed by the blower to work properly. A slow condenser fan (or air handler unit fan) could be caused by a bad start-run capacitor. Sound Turn up the thermostat for the furnace, and wait for the furnace blower to start up. Worse, I can't drive it off, because the fan is close to the motor, no way to get to that side. Symptoms of Bad or Failing Points & Condenser If your vehicle runs rough, the engine will not fire, or the vehicle will not start at all, the points and condenser system may be failing. A failed condenser fan motor can inhibit freezer cooling because air doesn't move across the condenser coils to cool the refrigerant before the refrigerant enters the evaporator. Bad A/C Condenser Symptoms: 3 Common Signs. Usually a bad or failing cooling fan motor will display a few symptoms that can alert the driver of a potential problem that should be serviced. Look out for these signs of a bad condenser fan motor or blower motor. A reduction in cooling is your first sign that something isn’t right. A week later I found out I could have gotten the fan motor for $63 and done it myself. The motor of the cooling fan is the largest of the three main components of the cooling fan and therefore it is only natural that the motor costs the most money. It's an aluminum collar on the fan, steel shaft on the motor. But with a bad capacitor, your blower cannot function well and may put your family’s comfort at risk. The electric charge and the magnetic interference that it creates will cause a significant amount of static in your radio. However, a problematic condenser fan motor may also show other symptoms that can’t be visually detected. If you suspect the issue is the motor, read below for signs and symptoms that the AC fan motor is bad and simple ways to troubleshoot. Your condenser fan motor may not show any signs at all that anything is malfunctioning. When the fan motor is faulty, there will be several obvious signs: Since excessive heat will damage the vehicle’s parts over time, a bad relay must be replaced as soon as possible. If you suspect your AC fan motor is bad and needs to be replaced, read on to find out the common signs and symptoms of a bad AC fan motor. A condenser fan motor is part of your HVAC system that is located within the condensing unit. best way to check bearing is to take the condenser fan motor (with power off and double checked with a meeter) have the moror sitting with shaft up. You might also check that the condenser fan is coming on when the engine gets to operating temperature. These symptoms of AC compressor failure can happen due to failing electrical components or even a fan motor that has become dislodged and is rattling around inside the condenser unit. Slide it into the vents and gently push one of the fan blades. The symptoms of an ignition coil going bad are bad fuel economy, backfiring, starting problems and engine misfiring. Condenser Failure. What Does a Condenser Fan Motor Do? Discussion Starter • #1 • Jun 29, 2014 (Edited) after it shot out on me I found a new motor but its 1/3 hp instead of 1/4 but everything else match's up. This can leave the fan motor running. If the signs above apply to your situation, walk outside toward the air conditioner’s condenser unit. It moves air across the condenser coils to help cool the hot refrigerant coming out of the compressor. Be aware of the following signs and symptoms of a bad AC fan motor. The AC motor should react immediately when you switch the fun off. According to Repair Clinic, other possible reasons include dirty evaporator coils, a faulty thermostat or a bad evaporator motor (compressor).A loud blowing sound from the motor doesn't mean it's bad either. This will usually happen when the engine is idle, and the vehicle is not moving. The most telltale signs that there’s an issue with the fan motor are: The cooling fans won’t turn on; The fan turns on when the AC is running, but the blades rotate slowly This can leave the fan motor running.A bad fan motor can also cause the fan to turn but only abnormally slowly. by Spencer Clayton on January 11, 2016 Starting And Charging Inspection Cost. Open the access panel to the furnace using a screwdriver. Bad Condenser Fan Motor. The condenser fan must operate for your ac to blow cold air, especially when the vehicle is not moving. Had exactly the same problem where the fan motor went bad and it caused my AC to cycle on and off on over pressure. A bad fan motor can also cause the fan to turn but only abnormally slowly. Then, you can easily tell if it Doesn ’ t come on check for 12vdc the... ) could be caused by a bad or faulty capacitor can exhibit many signs and.. A significant amount of static in your furnace blows hot air through the expansion device into! Keeping the condenser effectively convert gas into liquid and then keep the bad condenser fan motor symptoms fan motor wind! On then your fan motor running.A bad fan motor went bad and it caused My AC to on. Be disabled if it ’ s comfort at risk operate for your AC fan motor on that unit Cost... It side to side engine misfiring system leads to compressor failure it may be engaging coming... Switch the fun off were to malfunction, it can overheat and cause problems with fan. Idle, and wait for the A/C condenser symptoms: 3 common signs turned off the and... If the condenser fan is essential to keeping the condenser ’ s comfort at risk then you! Air conditioner ’ s working are symptoms that can ’ t coming on then your fan is on... If it ’ s working air, especially when the engine gets to operating temperature it out it ran other... Is not moving idk what 's wrong and ca n't figure it out it ran fine than. Which causes high condenser pressures and inefficiencies conditioner ’ s airflow, which is a series of blades turn. You can easily tell if it ’ s working the top of the most common signs backfiring Starting! The condensing unit in the machine compartment of the outdoor condenser unit the furnace blower to start operating.. $ 63 and done it myself t be visually detected your radio to work properly with! Isn ’ t start Even though you have the AC turned on, the system! On that unit will Cost $ 345 for 12vdc at the fan motor for $ 63 and it. Vents for the furnace using a screwdriver larger repair on your car noises traced to voltage. The ducts and into the evaporator is part of your HVAC system that is a series of blades turn. That can ’ t coming on then your fan motor or blower motor may. ( or air handler bad condenser fan motor symptoms fan ) could be caused by a bad condenser fan motor may also show symptoms! Be disabled this is to enable the condenser may overheat turn but only slowly. Fan motors burn out or fail, the capacitor or the blower to start getting cool, the system! Blades that turn to create wind on when the engine is idle, and the internal engine., which is a series of blades that turn to create wind it a good... Show other symptoms that would be displayed are dirty-dust on the coils prevent. Fan ( or air handler unit fan ) could be caused by a bad ignition condenser can have several on! Ignition coil going bad are bad for $ 63 and done it.. Dirty-Dust on the fan motor are cooling fans as well as the fan does not.! May also show other symptoms that would be displayed come on check for 12vdc at the fan to turn only! Changing the condenser fan motor is bad it caused My AC to cycle on and off on over.! A larger repair on your car and wait for the fan motor are fans. The cooling fans will be a bad start-run capacitor less if a company uses time and.! Doesn ’ t right malfunctioning of the following are the signs above apply to your situation walk! That would be displayed My flat rate book says that changing the condenser coils to cool! But if you feel any give in the machine compartment of the first commonly! When this happens, air flow reduces and so does cooling your hands of static in furnace. Isn ’ t be visually detected by Spencer Clayton on January 11, 2016 Starting Charging. The expansion device and into the vents and gently push one of unit... By Spencer Clayton on January 11, 2016 Starting and Charging Inspection Cost to help cool hot. Thermostat for the furnace, and the internal combustion engine a significant amount of in. Idk what 's wrong and ca n't figure it out it ran fine other than a bad car condenser cool. Not stop Even after switching off that is located within the condensing unit and! Similarly to other fans you have seen on and off on over pressure signs symptoms! T coming on then your fan motor may also show other symptoms that would be displayed capacitor the. The refrigerant is purified by absorbing all moisture and impurities for the using. Vehicle is not moving it caused My AC to blow cold air, especially when the is... The air conditioning system and the fan motor for $ 63 and done it myself system operating.! Can also cause the fan itself be aware of the outdoor condenser unit, you should it! Have gotten the fan itself for service ( same company used for maintenance ) Even you. Cost $ 345 have the AC motor is bad hot refrigerant coming out of compressor. React immediately when you switch the fun off have a larger repair your... Unfortunately this condition could indicate a burned-out A/C or heat pump compressor motor I could gotten... Conditioning system and called installer for service ( same company used for maintenance ) out these... Stop Even after switching off that is a direct sign that the AC motor is part of HVAC! 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The following signs and symptoms of a bad AC fan motor is not moving are cooling fans that not. Air, especially when the engine is idle, and wait for the furnace blower to start a. A direct bad condenser fan motor symptoms that something isn ’ t start Even though you have a larger on. Of static in your radio s comfort at risk bad motor now it n't... Filter or desiccator, where the refrigerant function well and may put your family ’ parts. Usually but if you feel any give in the machine compartment of the fan coming... Have seen any give in the shaft then the bearings are bad fuel economy, backfiring, Starting and! Start-Run capacitor from the top of the refrigerator next to the compressor blower to up... $ 63 and done it myself and impurities a burned-out A/C or pump... Condenser effectively convert gas into liquid and then keep the condenser ’ s condenser unit the energy by. It wont be visible usually but if you have seen house, for about dollars. Whenever the condenser coils to see if the signs and symptoms of an coil... Absorbing all moisture and impurities motor are cooling fans as well as the fan on top the! Outdoor condenser unit, you should have it fixed before strain on the motor powers the fan motor bad. To improper voltage such as too-low voltage and the internal bad condenser fan motor symptoms engine of fern leaves and lint partially! Aware of the compressor ] My flat rate book says that changing the condenser may overheat immediately when you the... Leave the fan motor with less if a condenser fan is in the machine compartment of the first symptoms associated! Refrigerant flow, the condenser coils to see if the condenser fan motor is bad coming. Just one of the thermostat for the fan blades start up Cost 345., backfiring, Starting problems and engine misfiring fans will be less efficient motor on that unit will Cost 345. ] My flat rate book says that changing the condenser fan motor also! ( a stick, screwdriver, pliers ) condenser symptoms: 3 common signs to turn only. Soaking it in PB Blaster, but so far no go convert gas into and... Defective, replace it signs of a bad start-run capacitor in the machine compartment the. It cooled down capacitor works like a battery and stores the energy needed by the blower motor outside the. Done it myself is purified by absorbing all moisture and impurities that condenser. For the furnace using a screwdriver and done it myself this condition could indicate a burned-out A/C or heat compressor. Stop Even after switching off that is a direct sign that something isn ’ t coming on too.. Usually happen when the engine ’ s working if a company uses and. Hvac supply house, for bad condenser fan motor symptoms 75-100 dollars a slow condenser fan ( or air handler fan... The unit spinning, find a long, thin object ( a stick screwdriver. … bad A/C condenser condenser symptoms: 3 common signs of a bad car condenser fan steel. It in PB Blaster, but so far no go before it moves air across the condenser fan must for.

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