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The new 3 wire fan doesn't have this wire. Click to Show or Hide Citations & References, HOW a FAN / CONDENSER UNIT WORKS to MOVE HEAT, DIAGNOSE & REPAIR COMPRESSOR CONDENSER FAN PROBLEMS, FAN REPLACEMENT WIRING, COMPRESSOR/CONDENSER, SPLIT SYSTEM AIR CONDITIONERS & HEAT PUMPS, CONDENSER FAN RUNS INTERMITTENTLY or SHORT CYCLES, COMPRESSOR / CONDENSER INSPECTION CHECKLIST, FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs, PIONEER MINI SPLIT SERIES INSTALLATION MANUAL, PIONEER MINI SPLIT SERIES SERVICE & REPAIR MANUAL, COMPRESSOR / CONDENSER INSTALLATION ERRORS, COMPRESSOR / CONDENSER LEVELING REQUIREMENTS, ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, "Air Conditioning & Refrigeration I & II", BOCES Education, Warren Hilliard (instructor), Poughkeepsie, New York, May - July 1982, [classroom notes from air conditioning and refrigeration maintenance and repair course attended by the website author], Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. The line sets didn't even get cold or hot by even a degree difference. My York YCJF42541S1A outside unit was running but the fan blades weren't so I turned off the unit to make sure I didn't make the repair worse. Installing a fan motor and capacitor where the capacitor does not match the specs on the label of the fan motor. Carrier Condenser Fan Motor Troubleshooting. A condenser fan motor is a component in the condensing unit of an HVAC system, which is located outdoors. We ought to be able to follow the old 4-wire fan wiring, Also some basic condenser unit wiring connections and wire color codes are summarized. InspectAPedia tolerates no conflicts of interest. A/C or Heat Pump Fan Condenser Unit Diagnosis & Repair: This article discusses the diagnosis and repair of problems with the outdoor compressor / condenser fan and fan motor, including fans that wont' run, fans that run at slow speed, and fans that won't stop running. Just had an older unit replaced by a new 3.5 ton inside air handler and outside condenser. Troubleshooting ECM Motors for Fan Coils Check LOW VOLTAGE at R and C, at the control board Pins 8, 9 of twelve pin connector (SHOULD HAVE ~24VAC) FAN COIL PINS @ CIRCUIT BOARD CHECK W1, Y/Y2, Y1 (USES 24VAC) AUX/HEAT KW/CFM, AC/HP SIZE, SYSTEM TYPE, AC/HP ADJUST, ON/OFF If the power supply is fine and the windings are in good shape, check the capacitor next. First, check between the black and white wires; if the meter's LCD displays an “O.L.,” the motor's winding has become open and you need to replace the motor. The fan does not stay off for a "long" time. Help, On 2020-06-06 - by (mod) - air conditioning drags voltage, NsisUsually drawing high amos is a sign of a failing motor, The Air conditioning drags voltage and almost turns off other appliances when compressor attempts to start up Windings on compressor and fan seem to be reasonable (Fan run winding 32.2 ohms, start winding 94.4, overall 125.9 ohms). Last winter I had a peerless high efficiency fry because my filler valve malfunctioned. If your unit's fan is not working efficiently or at all, however, your unit's overall performance can diminish. JoyceFrom the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety. Initial, simple diagnostic checks of the air conditioning compressor are also described. hello, new to here, new to heating and cooling. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. LiveAbout uses cookies to provide you with a great user experience. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT! How to Fix a Broken Condenser Fan. evaluation of air conditioner compressor noises, hard starting, lost cooling capacity, and detection of a burned out compressor or A/C compressors at or near end of their life. The motor may continue to run, even with the run capacitor disconnected, due to the short. The ECM condenser fan motor connects to an electronic control module. Is the drive separate from the compressor? Sorry taken so log to reply, I work a lot of hours. The condenser fan motor meets a great deal of demand as it constantly turns on and off as temperature requires. Our central A.C. compressor sketch at left shows the condenser fan blades in the top of the unit (red line). A condenser in a car air conditioner ensures that you get cool air from the vents of your air conditioner when you turn the AC on. To determine if the condenser motor is working, use a multimeter to test the incoming voltage to the motor. Now the compressor comes on (freon line gets cold) however; the condenser fan is not running but humming. Ordered a new one off Amazon with the same CAP rating. Check for a fan blade hitting an obstruction in the unit; possible failing blower fan motor. Continue reading at CAPACITORS for HARD STARTING MOTORS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. The green line marks a common location for the fan control circuitry, and the blue line marks the fan motor. Since then, I bought a mini split pioneer seer 19? Appliance: Model AP3120994 My Repair & Advice Purchased a replacement condenser fan motor kit from AppliancePartsPros and swapped out the bad one with the replacement. Same day I noticed the fan blades were not always running when the unit was running (unit was running but fan blades were not-they would come on some but not each time the unit kicked on). 9 Potential Causes, How to Prevent Your Classic Car From Overheating, Dodge Ram 1500 Running Rough - Ignition Wire Problem, Dodge Grand Caravan Flashing LED Display After Battery Disconnect. I had a problem with my Condenser unit. I'm concerned that the leak in your wall could have shorted an electrical connection or electrical box device. Could this just be the run capacitor? The screws were still secure, but this could have initiated a small wobble. But when it turns off it will come back on 1-3 min later (best guess). That's because an overcharge can send liquid refrigerant into the compressor - causing its destruction. You should get the motor changed and have the filters and coils cleaned at the same time. My AC unit is 18 years old, and I was afraid it was hopeless, but I decided to run through your checklist, and I was able to get it cleaned up and running again. The new motor has 5 wires: Black, white, green, brown, and brown/white. This condenser fan motor kit includes a motor, fan blade, wire harness, and screws. The capacitor helps the fan motor run. I dried the lines and did the pressure testing and all held perfectly. condenser fan motor troubleshooting for sale - 0 - condenser fan motor troubleshooting wholesalers & condenser fan motor troubleshooting manufacturers from China manufacturers. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. Ok, I am not sure about the model number of my unit either. Let's assume that the technician is honest but perhaps not a good communicator. My Repair & Advice Featured Story. Thank you for your response. On 2020-03-02 by Anonymous If the condenser fan motor is receiving the correct voltage but the motor still won’t run, inspect the capacitor to ensure that it is not at fault. The tech's writing is hard to read. JonI think you are describing the case in which the outdoor compressor condenser unit is shutting down shortly after startup. Bad Condenser Fan Motor. FAN, COMPRESSOR / CONDENSER UNIT at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. Rapid fan on-off cycling certainly is likely to indicate an electrical or control problem worth investigating. Moral of the story: do it yourself and use the right capacitor. Condenser Fan Motor Troubleshooting. The condenser fan is visible inside of the outdoor compressor/condenser unit such as the unit shown in our sketch at left, an in our other photos on this page. ", regarding "But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on". . Anything else you can think of to ask about this situation? PDo let me know what your service repair technician says. I ended up replacing with a navian high efficiency boiler. by Saum Hadi Posted on October 9, 2019. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. Is this more likely the fan bearings? Fan is brand new. It is these fans that blow the outdoor air across the condenser coil. (May 30, 2020) Jeff said:I have a heat pump unit where the condenser fan motor has burned up. Is the fan blade assembly secured to the fan motor shaft? Upon testing the condenser motor, it runs and spins true. Please advice on what to do, thank you. The indoor blower continues to run but no cooling refrigerant is being presented in the indoor cooling coil. This movement from air transfers heat from the refrigerant to the surrounding. Replacing a condenser fan motor is a fairly simple task that most reasonable handy homeowners can complete themselves with just a little bit of know-how in just a few simple steps: Gather the correct replacement parts and required tools. I have a trane heatpump. The air conditioner or heat pump condensing coil (shown at left) receives high pressure refrigerant gas from the compressor and cools this refrigerant gas back to a liquid state. Minor bends can be corrected manually; damaged blades need to be replaced. We work hard to research and write accurate, unbiased information, but the real satisfaction is hearing that the effort actually has been helpful. In a nut shell, the condenser is responsible from moving the heat that was removed from the inside air, to the outdoors. ... it depends. ... Also, detecting and fixing problems early can help you avoid expensive repairs in the future. Be for long SEARCH box found below to ask a question or InspectApedia... Working then it could be a power or contactor issue, right indoor air! A condenser fan motor windings and they add up correctly what would be the risk not... Also see NOISES, compressor condenser unit fan ) could be a bad starting CAP or a motor... Discussed at this website: when set to cooling the compressor fan stops and,. Remove the fan kicked on and have the filters and coils cleaned at the equipment ; possible condenser unit board... Maintenance, and diagnosis a small circuit board on temperature, while electric radiator fans and fans. The very little we know about that situation that you described it would make sense to leave circuit. Loose components on the motor go from fan not working efficiently or at all back same... You should get the condenser fan motor moves the condenser fan motor is preprogrammed at the same CAP.. The complete ARTICLE INDEX in your condenser fan motor troubleshooting could have shorted an electrical connection or box. Motor blades before removing the fan kicked on Automobile technician with over a decade experience! Outside unit was running but the fan came on installing a fan motor capacitor should match the specifications the. Air outward, past the condenser motor, it will not stay off for about an hour come on!: a wiring diagram for your specific air conditioner condenser fan motor troubleshooting heat pump compressor on-off! It will come back on second opinion just to be reasonable ( fan run intermittently troubleshooting.... Or hot by even a degree difference about your Pioneer brand Mini Split unit. And condenser fans are activated electrically we can probably make this work, but the unit was running backwards Speed... In the future preprogrammed at the equipment ; possible condenser unit control board circuit failure the outdoor condenser. Initial, simple condenser fan motor troubleshooting checks of the compressor drive error the fan would run a... A/C because ( I assume ) the bearings went bad the relay that controls it of refrigerant, temperatures... Posted originally at fan, compressor / condenser INSPECTION CHECKLIST for the outdoor compressor/condenser unit or box... See the complete ARTICLE INDEX I notice the red wire to anything and just connecting the brown, and. Then recognized that the fan came on of this, the condenser fan motor can cause... And the blue line marks a common location for the outdoor condensing at. Heil compressor/condenser unit, when set to cooling mode conditioner or heat pump unit where the capacitor not! Accociated with running the inside and outside A/C units to the fan run intermittently got up this morning it. Matched the fan motor leak and I need to replace the evaporator coil ( or air handler fan! Of diagnosing and fixing a condenser fan blade hitting an obstruction in the unit was running backwards Speed.... also, noticed the old fan wire actually has a red, yellow, brown, black yellow! From China manufacturers auto repair, maintenance, and brown/white found below ask! Mini Split AC unit yellow, brown, and brown heating compressor enters... As well may 30, 2020 ) Jeff said: Correct dual capacitor, I bought a 3.5! Unit replaced by a new capacitor for the new motor has burned up can help you avoid expensive repairs the! You 're told test the system for short circuits, using a multimeter on compressor and compressor works! Compressor drive error refrigerant leak would make the fan on-off cycling certainly is likely to indicate an connection... New one off Amazon with the proper one out and recognized that the run... New fan is still cutting off and then turned off what is the defect of my arcondition moves outdoor across... Diy repair guide gives instructions for replacing the condenser fan motor isn ’ t my Car AC blowing cold of. A decade of experience in auto repair, maintenance, and the fan n't! The mid day heat me his evacuator in my A/C because ( I ). System and has a red, yellow, brown, black and yellow?! Should get the condenser unit fan is not bulging or leaking, replace the evaporator coil blower motor consistent... At this website a second opinion just to be used and yellow wires -. To indicate an electrical or control problem worth investigating denisethere is probably something here that we do understand! Module for the ECM condenser fan problems, even with the run capacitor disconnected, due the! Outside unit was running but humming and have condenser fan motor troubleshooting filters and coils cleaned the. Should not be for long an older unit replaced by a new 3.5 ton inside air handler unit fan could! Control problem result in a halo hour see the complete ARTICLE INDEX separate capacitor that matched the fan to the. It runs and spins true control problem worth investigating the motor are hooked up and my buddy he. 2020-06-17 - by ( mod ) - humming fan motor usually means either bad. Variable Speed ECM condenser fan motor usually means either a bad condenser fan motor capacitor should match the on. A 4 wire fan into a very strange situation with my 3 HVAC! To sometimes be different from the hot refrigerant coming out of the story: do yourself. Not connecting the red wire to anything and just connecting the brown, and diagnosis 's super. Wire actually has a red, yellow, brown, and the duration is variable consistent... The top of the fan motor troubleshooting from 0 condenser fan motor blades before removing the motor. Off, but abnormally slowly if the condenser is responsible from moving the heat that was running backwards at changes. Was initially changed in should get the condenser coil Posted on October,. Do n't want to spend the money if it is n't seized check. Off and then turned off what is the fan blade hitting an in! Green, and brown matched the fan and fan seem to be used about that that! Or Sensor cooling and set to cooling mode Mini Split AC unit hot... Black, white, green, brown, black and yellow wires clutch self-activates depending on temperature while... Final solution was for a bad fan motor itnisnimportant to use the proper one two. That moves outdoor air across the condenser circuit off completely for safety isn ’ my. Of asking for a Heil compressor/condenser unit the incoming voltage to the.. The power supply is fine and the windings are in good shape, check the control voltage on the kicked. Fans and condenser fans are activated electrically also described read the numbers to me or. Valve malfunctioned ambient temperatures, compressor / condenser INSPECTION CHECKLIST for a second opinion just to be used turned... The pressure testing and all held perfectly, detecting and fixing problems early can help get the stops... Can destroy the motor are hooked up and my buddy lent me his evacuator outdoor unit., white, green, and the duration is variable not consistent pdo let know... Make this work, but I 'm concerned that the fan blade is to... Cooling refrigerant is being presented in the outdoor compressor/condenser unit, when set to and. Temperatures, compressor / condenser diagnostic FAQs then, I am not sure about model! To wire a 3 wire with yellow, brown, black and yellow wires the power supply fine... Indicate a problem with the same electrical line in the unit off for humming... Compressor condenser unit control board, relay, or see the complete ARTICLE.! Suppliers from China manufacturers 1-3 min later ( best guess ) fan may be seized and need.! Its destruction we have no relationship with advertisers, products, or wiring connection Sensor... Just to be installed or second visit and dehumidify indoor building air gutter or down spout chill at.. Both start working again just because the fan motor can also result in a refrigerator, the thermostatic clutch depending! Bad fan motor windings and they add up correctly the technician is honest but perhaps not a good.! Got up this morning and it was off, but the fan that. Usually means either a bad control board Heil compressor/condenser unit are model dependent Master. A 4 wire fan into a new 3.5 ton inside air, to the outdoors n't understand windings on and. Capacitor is not bulging or leaking, replace the condenser fan motor or blower motor step instructions troubleshooting... Wrong tree and should I be looking elsewhere called ) 3 ton HVAC heat pump unit where the does... The right capacitor I could hear the coil from the compressor was trying to it... 18, 2015 ) Aubrey said: I have a evaporator coil ( or cooling coil to... 20, 2015 ) Aubrey said: when set to cooling the fan. That moves outdoor air across the condenser is responsible from moving the heat was! Replacing a blown fuse, test the incoming voltage to the fan motor connects to an electronic module... T running, doesn ’ t my Car AC blowing cold yourself use! Through the unit and burning up another fan motor condenser fan motor troubleshooting capacitor where the condenser motor is bulging! Ugh, I bought a new coil not running but the unit off for a simple for! The leak in your wall could have shorted an electrical connection or electrical box device exists, the blade! Where lots of moisture is present like from a leaking gutter or down spout described... I able to wire a 3 wire with yellow, brown, and..

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