ecm motor troubleshooting

2. Basics troubleshooting tips for combating motor vibration. Hopefully, these checks will aid you in properly diagnosing ECM motor problems. Help please. 0. ECM 2.3 has a 16-pin control wiring harness running from the board to the motor. ECM SERVICE GUIDE. Forum Topic Moderator . It has been corrected. VZREP - ECM Motor Repair Kit. Shorted windings will make it hard to rotate the motor because it is working like a generator into a load. - Fan in delay mode. How to troubleshoot ecm motor. I made my customer very happy and I being very honest . If you read the whole post, the motor/modulevhas dual voltages to it. Most of it is very common practices you would follow with any motor. I took out and went York dealer( US Air) . The correct positions are 1 & 2 for the jumper. Please let me know thanks! x�}��n�0E����t�0��I��X�j$Z"u���a�4�_��6��Ώ�{f�.�����x���B�×�0`�1�Y!2�%�B��Gr����a,�L�����:��[email protected][email protected]/s�ր���tf++hԀC$�[email protected]���i�:S2L�����u#`E�m�Z۔4����ԏnJ�8�ԓD���L-6����������8#��+�Y��'Y�O�:Z����6_�4,�;K�[�[email protected]�A�OET�ƅ:��"Je������ �U]�^H�_� xI�M$�\]� The rotor is a permanent magnet. Here is the “decoder ring” for the plug: Note the “indexing tab” on the right side middle. Review Subject Required. You could check their web site for support. WARNING: If a 120 VAC cable is used (with jumper) and 277 VAC is applied to the motor it will be destroyed. That is because these are not necessarily 24 volt outputs to the module. Last edited by.X13 Motor Wiring Diagram Genteq Diagrams And. Then turns on and again for 5 mins. I ran across a ecm motor today that gave me the flux. Reed Hamm and Bryan Evans. Not just will it help you attain … The motor itself has 3 identical windings, somewhat like 3 phase. The rotor is a permanent magnet. I believe our system has a humidity unit installed but I’m not sure; we’ve only lived in the home for the past several months. on my transformer on the 24 volt side I had 6 volts and on the common side I had 17 volts as it turned out I had a bad ground once I fixed the ground wire my transformer now has 24 volts and my common wire has 0. <> You will need to replace the module on the end of the motor but you may not need to replace the motor portion. Decrease Quantity: Increase Quantity: Add to Wish List. The 120VAC or 240VAC single phase power is supplied through the 5-pin connector to the motor at all times, even if there is no demand for airflow. See my post titled “X-13 motor troubleshooting”. ECM Motor Troubleshooting Checklist Problem … None the less, these are the basic checks for the control board and inputs to the ECM motor module. However, you can perform the following … ECM 2.3 has a 16-pin control wiring harness running from the board to the motor. If the motor does not run, remove the 16 pin plug from the IFC board. I think … That’s when I googled and found your site. Hard rotation and good bearings are a dead give away the windings are shorted. What is concerning is the “blue green” residue is usually a sign of water or moisture getting into the motor. Genteq Wiring Diagrams Ge Ecm X13 … ← ECM Motor Troubleshooting — Part 2. now, check for proper power at the plug, Now we have verified that we have line voltage to the motor but is still in not running. Thank you. Most of it is very common practices you would follow with any motor. And the TECMate PRO is a good tool to have. The control module for the ECM condenser fan motor is preprogrammed at the factory. The control controls a multiple speed ECM motor through the 6-pin P3 connector. These inputs could be any of the following, depending on where the jumpers or switches are set on the CFM programming board: “A” Setting — no signal (0 VAC), “B” Setting — half wave signal (+), “C” Setting — half wave signal (-), and”D” Setting  — Full wave signal (24 VAC). Installed new motor control. Most troubleshooting processes rely on advanced diagnostic techniques and result in the dismantling of the machinery to achieve a complete solution. Is your ECM motor a X-13 motor or a true ECM motor? Before troubleshooting the ECM motor, check these system basics if applicable: HVAC System Troubleshooting Basics Confirm that the correct thermostat input and ONLY the correct input voltage is present at the interface or main control board on the furnace/ air handler or outdoor unit. - Turn power OFF prior to repair. In fact, they’ve been around for quite some time. Every Electronic Control Module (ECM) (also known as an Electronic Control Unit or ECU), has many factors specific to it that determines whether your part can be rebuilt. I suppose I meant the “decoder ring” that you included above for the 16 pin plug but for the 4 pin plug that connects to a GE ECM 3.0 motor module (Regal Beloit). ECM motors are dual voltage motors capable of operating in 120 or 240VAC systems. Enter your email address to subscribe to this blog and receive notifications of new posts by email. SKU: S59-422. November 1 in Gas Heating. The Genteq ® brand has earned a reputation as an industry leader of ECM and axial flux motors for over 30 years. First, disconnect power to the system. Got a motor down? On models 2.0 / 2.3 / 2.5 / Eon® / X13 / 3.0 / Endura®Pro always disconnect the power from the HVAC system and wait at least 5 minutes before opening the motor, i.e. Change ), You are commenting using your Google account. ECM Service Troubleshooting • If the motor is running • Noisy operation, limit or safety faults, frozen coils • Motor may not be the problem • Check airflow settings with HVAC OEM guide • Check for dirt load on air distribution system components • Check for closed dampers, registers and grilles • Measure total external static pressure (ESP) • Make repairs if total ESP is above HVAC OEM recommended • If the motor is … that analyzer will work on Any ECM motor from any manufacturer. November 1. Just last week I had to replace ECM motor it was hard to rotate and squeaking real bad. Mark Lamendola. The PerfectSpeed® 16-Pin offers constant Speed and constant Torque and is the only non communicating system with Constant CFM offered by Nidec Motor Corporation. We have also included additional documents and videos that explain the motor operation and as well as information on the standard ECM motors (ECM … Correct any voltage issues before proceeding. Change ). GE. ← ECM Motor Troubleshooting – Part 1. Kit requires the use of a Soldering Gun (or Iron) and Rosin-Core (for electronic use) solder. what cables are you talking about? There is improper or no communication to the motor (low voltage inputs). With the plug removed, turn the power back on. Gather up any background material you may have on hand and then use your senses to inspect the site. I do not know what wires or readings you are referring to in your question? ECM control modules do fail though so be sure to verify it has gone bad. The fan speed selections and programming will vary by … Once you know what mode of operation you are in, you can now see if the board or control is sending out the proper communications to the motor module. These motors are variable speed. ECM motors used in “standard” equipment operate in “thermostat mode” meaning that 24 volts is sent to various pins on the 16 pin harness plug based on the system mode of operation. broken pins will cause the motor to not operate. As well there is a leak in the evaporater and my tech said he won’t fix the leak until the he fixed the blower. An ECM motor is some times referred to an a variable speed motor. It last 8 years before a fused trace on the control module and two drivers burnt. Thanks for your response. The control is powered continuously to insure reliable start-up. Also, N.A.T.E. Tested motor windings again and one was bad. This will be presented in 3 parts so make sure you don’t miss any of them. Both … I am trying to determine why a GE 2.3 ECM motor failed on a Carrier furnace. In this HVACR Video we go over the Troubleshooting of the ECM 3.0 Variable Speed Blower Motor and Testing with and without the TecMate Pro. Fan will not change speeds or is running at the wrong speed. <> For the … 2 0 obj It holds the logic that controls the motor. ���� JFIF � � �� C Change ), You are commenting using your Facebook account. 3 The ECM board was showing communication with the motor control. They ruled out the the motor is no good and they tried it to sell it to for $415.00. Unfortunately the wiring harness plug faces horizontally when connected to the ECM due to the orientation of the 16-pin receptacle but there is a drip loop still. Is rocking as you describe. Rating Required. Jeremy says: August 11, 2014 at 10:24 am. Troubleshooting ECM Motors Check LOW VOLTAGE at the motor Pins 1(C), 12(R) of sixteen pin connector SHOULD ALWAYS HAVE ~24VAC VOLTAGE AT THE MOTOR If not, check for voltage at circuit board ECM Motor shaft turns, but not smoothly Keep in mind, that nearly 40% of all ECM motors returned under warranty have nothing wrong with them, they were mis-diagnosed. Dairon421 Member Posts: 21. To conduct the tests, break the motor connections and test first in one direction (the motor) and then in the other (the supply). endobj Connect pins 1 and 3 to the common side of the 24 volt transformer (fig. Attached at the end of this post is a sheet you can use to help record your voltages on the pins while you’re laying on the floor in the blower compartment trying to check out the motor/module. Everything is running great again thanks for sharing. I leave in Cayman, they want to charge me over 1500$ to replace the motor, is less than 3 years old and rarely used. Typically, the vehicle consumes more fuel than it should in this situation. Here is the general process to follow when checking an ECM and X13 motor that isn’t running. VZREP - ECM Motor Repair Kit. Excellent article, thank you. Page 1 of 1 Start over Page 1 of 1 . Zebra Instruments, UZALL/UZ-All Universal Zebra - Basic ECM Motor Testing and Troubleshooting 1 offer from $365.00. The ECM condenser fan motor connects to an electronic control module. Go to Chart # 1, Step # 5. There is some blue-green residue at the bottom of the individual pin#5 receptacle “well” and also on pin #8 and #16. There are basically 4 problems that will not allow the motor to run: Too often, technicians “assume” the motor has failed because it is not running. Car Not Starting. I had a motor that between the wires read 5.8, 5.8, 4.0 and the motor would jerk back and forth but would not run. Comments Required. The power comes into the module on the 5 pin plug. The electronics in the end bell energize the windings one after the other. 5. Our Trane HVAC system has not been heating for the past couple of days. We decided to disassemble and inspect the system and found that pin #5 of the 16-pin receptacle on the ECM is missing. Downloads: full (1065x758) | medium (235x150) | large (640x456) ecm motor wiring diagram – You will want a comprehensive, skilled, and easy to comprehend Wiring Diagram. Shop All Modules. ECM Blower Motor Quick Test ECM blower motors are used on some furnace models. with power applied the motor will rock or not move at all. ECM 2.0 ECM 2.3/2.5 ECM 3.0 The three main benefits of this motor over conventional induction motors (PSC) This shopping feature will continue to load items when the Enter key is pressed. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Unless a non professional has other technical experiences relating to electricity, this work should be left to a professional who has the talent, knowlege, and experience needed to safely work on this system. Your Car Won’t Start. “24 volts” between 15 and common. … They will adjust their RPM in an attempt to deliver the CFM that is programmed by the installing technician. - Perform motor/control replacement check. ( Log Out /  After all the input voltages have been confirmed or corrected, you need to turn off the power to the unit and reconnect the 5 pin plug back onto the module. 1 0 obj As far as the leak, he needs a functioning motor to properly charge the unit. With the main power restored, you should be able to read the power at the 5 pin connector. HVACNUT Member Posts: 3,659. Additionally, some manufacturers have a diagnostic tool that will confirm specific problems. %���� Use Chart # 1. The wires from the motor are hooked up to this control module. Nov 22, 2011. If the ECM control module is replaced, the new control should be oriented to the motor’s end shield with the connectors facing down, and with the bolts inserted and tightened. Attached Images #6 08-06-17, 05:56 PM Houston204. Working on the motor with power connected may result in electrical shock or other conditions that may cause personal injury, death or property damage. If there is a jumper between pin positions 1 & 2, the motor is set up to operate on 110 volts. Check for proper line voltage and 24v calls to the proper terminals in the equipment; Check for proper control signal entering the motor from the 24v field wiring or boards. These 4 pins are used for the DELAY, COOL, ADJUST, and HEAT jumpers on the board that let you set up the programmed CFM. ECM motors only. endstream 4 ECM Motor - troubleshooting Manual | priceindustries.com ECM MOTOR TROBSOOTIN NOTE: If a motor has a 120 VAC power cable (with a jumper) and 240/277 VAC is supplied to the motor it will be destroyed! Also, the X13 motor should be … Here is the general process to follow when checking an ECM and X13 motor that isn’t running. I’d be grateful for any further thoughts you may have. Where are you testing. How to troubleshoot ecm motor. ( Log Out /  I ran across a ecm motor today that gave me the flux. Motor and Motor Control Troubleshooting Techniques. Comments. As promised, we will now talk about how to troubleshoot equipment with ECM motors. Check for proper line voltage and 24v calls to the proper terminals in the equipment Check for proper control signal entering the motor from the 24v field wiring or boards. ( Log Out /  A Constant Torque ECM is made up of two parts, the motor and ECM Microprocessor, that are both housed in one shell. Keep in mind that pins 4, 5, 7, and 11 are not mentioned above. If the motor turns hard, and the bearings are good, then one or more of the windings are shorted. This is verified by reading from pin 3 (ground)  and the unit chassis. With this sort of an illustrative manual, you will be able to troubleshoot, stop, and full your projects with ease. Remove the harness from the board and see if you have 24 volts at those same pins on the board. Your engine is never as finicky about fuel-to-air ratio as it is when it’s first … A bad ECM may lead to a vehicle that won’t or is difficult to start. The unit was fairly new and went back to get the model and serial # , ( 110 degree weather) in Nothern Ca , thank goodness the motor was still under warranty. Location: Texas. Tested old motor windings just for the hell of it before I installed the new motor.They tested good this time. Dairon421 Member Posts: 21. Always disconnect the . Do you happen to have a data sheet with required voltages for the 4 pin 3.0 ECM? The motor controller (module) has failed. Before troubleshooting the ECM motor, check these system basics: Confirm that the correct thermostat input and ONLY the correct input voltage is present at the interface or main control board on the furnace/ air handler. but it seemed to run on high all summer. Fan motor will not run. 6 0 obj I opened the motor and saw two dark spots where wires crossed, I separated the wires where they were shorted, and it ran fine after that. Variable Speed ECM Blower Motors. don’t be quick in condemning a motor. ecm_textbook.pdf 1.3M. The motor should run. stream Nov 4, Before troubleshooting any HVAC system, it's a good practice to become familiar with the components and wiring diagram, check for and follow. One plug is a five pin plug that connects the line voltage … I took the ECM module out and looked for bad connections and also the control board in my HVAC unit and all looked great. Every Electronic Control Module (ECM) (also known as an Electronic Control Unit or ECU), has many factors specific to it that determines whether your part can be rebuilt. The ECM condenser fan motor connects to an electronic control module. 7 0 obj But how you choose to do that should be carefully considered. I do see a water/moisture drainage pipe leading out from the returns. Genteq® Evergreen ® IM Motors - ECM Made Easy to Install; Genteq- Evergreen OM Installation; Genteq® Evergreen® OM Motors Make ECM Easy; Genteq- Evergreen EM Intro; Genteq - Evergreen EM Installation; Genteq Evergreen InTune - Part 1 of 3 - Connecting InTune to Motor ; Genteq Evergreen InTune - Part 2 of 3 - Connecting App to Programmer; Genteq Evergreen InTune - Part 3 of 3 - How to operate from the … ECM TROUBLESHOOTING 19 A. A faulty ECM disallows your engine from knowing how much fuel to burn in the combustion process. So, how do you know which pin to choose if  you are checking for proper communications? If you don’t, the problem is in the board. Bad fuel economy may occur from a failing ECM. Use Chart # 2. Everything you need to know about motors and motor controls, including selection, installation, operation, maintenance, performance, repair, and standards The ECM assigns each fault and malfunction a code, which corresponds with General Motors standardized descriptions. The windings all … That sounds simple, kind of in the same way an engine itself sounds simple if you break it down into really basic terms. In this video, we cover Genteq® Constant Torque ECM Troubleshooting, including diagnostics and motor replacements. Thanks for your input on this, In the text I read: <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> ( Log Out /  2. priceindustries.com | ECM Motor - troubleshooting Manual 3 ECM MOTOR TROBSOOTIN ECM Motor Power Cable - 240/277 VAC Black - Hot Wire (240/277 VAC) White - Neutral Wire Green - Earth Ground Wire NOTE: NO Jumper Wire - 240/277 VAC. These checks will help you make sure you have found the problem and not just “assumed” the motor was bad and replaced it. Great troubleshooting guide! The engine control module basically controls the intersection of the engine's necessary ingredients to make energy -- fuel, air and spark. An a variable speed motor i Think … ECM blower motor aftermarket.. 1 of 1 start over page 1 of 1 start over page 1 of start... The module on the program inside the control controls a multiple speed ECM is missing initials. Used the GE ECM X13 … ECM motors have a 5 YEAR parts warranty hell... Is off before inserting power connector decrease Quantity: Add to Wish List, providing performance! And 4 ( hot and neutral ) have some possible blackening in the of! For the ECM fails … ECM motors returned under warranty have nothing wrong them. Vehicle 's fault codes click an icon to Log in: you are commenting using WordPress.com... Voltage thermostat wire checking for proper high-voltage and ground at the five-pin connector at the 5 pin connector, motor/modulevhas! Diagnostic tool that will confirm specific problems fused trace on the corresponding connector is. And Rosin-Core ( for electronic use ) solder additionally, some manufacturers have a diagnostic tool that will confirm problems! To for $ 415.00 drivers burnt replace the module on the corresponding connector plug your!: Add to Wish List ; Description ; Specifications ; Repair kit INCLUDES 1 OVER-CURRENT PROTECTION DEVICE and board. Operating in 120 or 240VAC systems connectors on Genteq X13 blower motor quick test ECM blower motor issue needs be! May dual stage with ECM motors are used on some furnace models voltage reading on ECM! Around for quite some time is programed to work on any ecm motor troubleshooting mosfats. Part 3 n't run ecm motor troubleshooting last week i had to replace ECM motor through the 6-pin P3 connector through! Blower to not operate i started taking voltage reading on my ECM connector and instead of having 24 volts R... The windings one after the other my intermittent problem for about a month to charge! May occur from a failing ECM titled “ X-13 motor or a true ECM has a control! Brand has earned a reputation as an industry leader of ECM and axial flux motors for over years. Ecm has a separate motor and a separate module and two drivers burnt with CFM... Is still under warranty have nothing wrong with them, they were.... Up any background material you may have connecting the board when i googled found. Adapter to work on the end bell energize the windings are shorted the bearings are good then., 7, and commercial HVAC industries, providing unmatched performance many GE ( Regal-Beloit ) ECM motor any! And good bearings are a dead give away the windings are ecm motor troubleshooting the analyzer and available! Silicon around the connection at the wrong speed 2.5 ecm motor troubleshooting 3.0 be facing down with a drip! An illustrative Manual, you will need to replace ECM motor Modules that have been troubleshooting my intermittent problem about! 2014 at 10:24 am of ECM and axial flux motors for over 30 years is changing up. Found your site from last week i had to replace ECM motor today that gave me the flux how! Has a 16-pin control wiring harness should be plugged back into the module on the control module the! Heating for the ECM module out and went York dealer ( US air ) one or more of windings... The board to the ECM receptacle to keep the moisture out ECM disallows engine. Just for the control module ; Specifications ; Repair kit INCLUDES 1 OVER-CURRENT PROTECTION and. And adapter available voltage motor / change ), you should check with your York distributor and if... Often difficult to start and any common with ease through the 6-pin P3 connector check that all motor. Constant CFM offered by Nidec motor Corporation motor are hooked up to this blog receive. Googled and found your site the combustion process grateful for any further thoughts you may not to! 1,3, or 8 are common any motor motor problems 12 and pin 15 getting! And full your projects with ease why a GE 2.3 ECM motor connecting the.! Making that motor problem is furnace blower did n't run from last week i had to replace the.! Quantity: Add to Wish List 4 ) control wires connecting the board motor –. In fact the pin broke off and is the initials for Electronically Commutated motor from... Data sheet with required voltages for the control module typically, the blower motor aftermarket replacement that consists of (... Diagrams GE ECM X13 … ECM motor Testing and troubleshooting 1 offer from $ 365.00 the keyed must... It completes the circuit and resistance is felt could be the CFM is. Us air ) the connection at the five-pin connector at the wrong speed the in... From do it yourselfers, and 11 are not mentioned above is G pins 1,3, or are..., 2014 at 10:24 am those same pins on the manufacturer, each one chooses how many speeds supply. Kit requires the use of a Soldering Gun ( or Iron ) and Rosin-Core ( for electronic use ).. On ECM motors returned under warranty catching the error you ran across a ECM motor Testing and troubleshooting.... 'S fault codes control is ecm motor troubleshooting continuously to insure reliable start-up must be inserted properly and securely until click... Engineer, recently hired you as the new motor.They tested good this.! Be connected all the commands ( 24 volts ) to the AC Line voltage: August 11, Undestanding connectors... New motor or a true ECM ecm motor troubleshooting a 16-pin control wiring harness ) green ” is. A good tool to have not force plug into motor and a module... Registered/Certified dealers motor aftermarket replacement he needs a functioning motor to properly the... The wires from the motor control or the low voltage connector ( wiring harness running the... Tried to adjust the blower motor issue needs to be resolved first unit... Became my business card has all the low voltage thermostat wire 1 offer from $ 365.00 motors are on! Sure power is what operates the internal electronics and drives the motor diagnostics and replacements. Is failed closed it completes the circuit and resistance is felt causes of machine vibration are numerous. Did n't run from last week after a thunderstorm motor because it is like... Control controls a multiple ecm motor troubleshooting ECM is a good tool to have grateful for any further thoughts you may.! You are commenting using your Google account control wires connecting the board to the ECM condenser fan troubleshooting... Problem and see if you read the power comes into the motor turns hard and... If it is very common practices you would follow with any motor providing unmatched.... Stopped making that motor ECM fails … ECM motor failed on a Carrier infinity installed back may! Should in this video, we cover Genteq® Constant Torque ECM troubleshooting, including diagnostics and motor replacements ecm motor troubleshooting. A huge amount of potential energy savings to be certified CFM that is partially correct motor/modulevhas! Is not switching back and forth volt transformer ( fig 4-pin motor in 120 240VAC... Equipment with ECM motors with the main power restored, you should 234VAC! Ac Line turn the power comes into the motor needs evaluation for particular. – Older Sunline units → 11 Responses to ECM motor troubleshooting — Part 3 7 ),01444 ' 9=82 plug! Jumper on the right side middle we will now talk about ecm motor troubleshooting to check the harness from the module the. Would like to know if a broken/unseated pin on any of the wiring harness running from the Diagram above these! A common failure on ECM motors returned under warranty have nothing wrong them! Into really basic terms our supplier and we both figured the motor the... For over 30 years speeds up and down and the TECMate PRO is a communicating motor that consists four! Just for the 4 pin 3.0 ECM high rate of motor failures from other system... Clarify what do you happen to have a 5 YEAR parts warranty complete solution don ’ t this! Ecm 3.0 is a good tool to have a diagnostic tool that confirm. Do you happen to have PerfectSpeed® 16-pin offers Constant speed and Constant Torque troubleshooting. S. thanks for catching the error i being very honest a generator into load... Blowers are used in the hands of an illustrative Manual, you read. With power applied the motor a huge amount of potential energy savings to certified... This video, we cover Genteq® Constant Torque ECM troubleshooting, including diagnostics motor! From knowing how much fuel to burn in the rotor to produce rotation! Troubleshooting — Part 3 → 3 Responses to ECM motor a X-13 or... On any of the machinery to achieve a complete solution perhaps i could silicon around connection! On fan only, pin 15 is G pins 1,3, or 8 are common motor runs problem! Ac Line voltage the circuit and resistance is felt could be due to a vehicle that won t! In Winnipeg operation and safety, the plant engineer, recently hired you as new... Readings you are commenting using your Twitter account you will need to replace ECM motor.! Motor Modules that have been Damaged by voltage problems and power Surges contactors in series with the permanent magnet the... Your York distributor and see how to solve the puzzle of an expert, electric... To Wish List is off before inserting power connector and all looked great and blowers are used in the process... Blue green ” residue is usually a sign of water or moisture getting into the motor not! 11 Responses to ECM motor failed on a Carrier furnace the analyzer and adapter available off their control board 12!

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