Help please. None the less, these are the basic checks for the control board and inputs to the ECM motor module. Is rocking as you describe. They ruled out the the motor is no good and they tried it to sell it to for $415.00. Kit requires the use of a Soldering Gun (or Iron) and Rosin-Core (for electronic use) solder. If you do, the problem is in the harness. Create a free website or blog at WordPress.com. ECM control modules do fail though so be sure to verify it has gone bad. Name Email Required. ECM TROUBLESHOOTING 19 A. Comments. - Fan in delay mode. stream In an ideal world, the thrust of your advice is correct: one would prefer to contact the dealer , distributor, or manufacturer for professional attention. If the motor runs the problem is in the low voltage thermostat wire. I leave in Cayman, they want to charge me over 1500$ to replace the motor, is less than 3 years old and rarely used. By this, I mean, what is the thermostat calling for — heat (1st or 2nd stage), cool (first or second stage), fan only, heat pump cooling, dehumidification (reduced blower speed), etc? My variable speed motor when calling for heat would start ramping up to speed then immediately shut back down the start again a immediately do the same thing then all of the sudden for no reason it would start working. Review Subject Required. ← ECM Motor Troubleshooting — Part 2. Some techs test this by jumping the connections across the thermistor although I wouldn’t suggest this. Maintenance, Repair & Operations; Motors; Electrical Troubleshooting Quiz — Dec. 1, 2020. 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 … We decided to disassemble and inspect the system and found that pin #5 of the 16-pin receptacle on the ECM is missing. Can you please clarify what do you mean by “between the wires read 5.8, 5.8, 4.0”? The motor has failed (least likely of all the problems), No power to the motor  — We need to verify that the motor and module are getting the 110 (or 220) volts to it. The windings all … You should check with your manufacturer to see if it is still under warranty! Then remove the 5 pin connector from the module. I agree 100% and that is why I always try to refer people back to their dealers or to the manufacturer in any of my responses. This document focuses on ECM 2.3 and 3.0. The 16 pin plug has all the commands (24 volts) to the motor, That is partially correct. The wires from the motor are hooked up to this control module. Same shit. As far as the leak, he needs a functioning motor to properly charge the unit. Electronic Control Modules – ECM Repair. 5. 4 0 obj Is your ECM motor a X-13 motor or a true ECM motor? Electric motor repair general note: on HVAC equipment the electric motor is not normally field repaired. 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. Bad fuel economy may occur from a failing ECM. TROUBLESHOOTING ECM MOTORS Variable Speed or Constant CFM: These motors are not new to the industry. 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). that analyzer will work on Any ECM motor from any manufacturer. 9623 11/21/96 ECM Manual 7 7 ECM Outdoor Fan Motor TROUBLESHOOTING 1. <> To conduct the tests, break the motor connections and test first in one direction (the motor) and then in the other (the supply). The engine control module basically controls the intersection of the engine's necessary ingredients to make energy -- fuel, air and spark. Perhaps I could silicon around the connection seam between the plug and the ECM receptacle to keep the moisture out? Ordered new motor. The rotor is a permanent magnet. The low voltage or serial communication that is sent to the motor from the HVAC OEM control board through the 16-pin connector (4-pin on latest … The wiring harness should be facing DOWN with a “drip loop” hanging down to keep any water/moisture out of the motor. Jeremy says: August 11, 2014 at 10:24 am. You could check with your York distributor and see if they have the analyzer and adapter available. $.' With just a call for “fan (G), you should have 234VAC between 15 and any common. Next. 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. %���� Repaired for 5 dollars Canadian For the … Search. November 1 in Gas Heating. Furthermore, if this doesn’t work then and you still have problems check with the manufacturer for an ECM blower motor troubleshooting flow chart or guide. (Keep in mind, that if there is no jumper between positions 1 & 2, the motor is set up to operate on 220 volts so set your meter correctly) If power is not present, check the harness, check for power at the board, check for blown fuses, make sure the door interlock is closed, etc. The wires from the motor are hooked up to this control module. York did make an analyzer that had an adapter to work on the 4-pin motor. Thanks for your response. This is done for the particular motor for a particular function based on the program inside the control module. Comments. removing the two bolts from the motor control (end bell) and … Most troubleshooting processes rely on advanced diagnostic techniques and result in the dismantling of the machinery to achieve a complete solution. VZREP - ECM Motor Repair Kit. Check that all three motor wires have the same ohms resistance and are open to ground. endstream Working on the motor with power connected may result in electrical shock or other conditions that may cause personal injury, death or property damage. There is improper or no communication to the motor (low voltage inputs). With this sort of an illustrative manual, you will be able to troubleshoot, stop, and full your projects with ease. If you’re replacing or servicing equipment with an ECM, and the TESP exceeds rated capacity, be sure to look up motor amp draw in the manufacturer’s specifications. endobj Here is the general process to follow when checking an ECM and X13 motor that isn’t running. My Ecm motor turns on at a delay. We would like to know if a broken/unseated pin on any of the 16-pin receptacle would cause the blower to not turn on. I think … There is improper or no communication to the motor … ECM 2.3 has a 16-pin control wiring harness running from the board to the motor. DO NOT insert contactors in series with the ECM/ICM Mo-tor AC Line. Troubleshooting Heating – Older Sunline Units → 11 Responses to ECM Motor Troubleshooting — Part 3. That’s when I googled and found your site. Not just will it help you attain … However in the hands of an expert, most electric motors can indeed be repaired. VZREP - ECM Motor Repair Kit. ” If there is no jumper between pin positions 4 & 5, the motor is set up to operate on 220 volts”, further down I read: If this module fails or works erratically, then the Chevrolet's whole diagnostic system becomes untrustworthy. For complete troubleshooting information on the variable speed air circulator blower motors, refer to the Troubleshoot- ing Chart for ECM/ICM Variable Speed Air Circulator Blower Motors on … <> And the TECMate PRO is a good tool to have. 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. Comments Required. Because the causes of machine vibration are so numerous, the underlying problem is often difficult to isolate. Troubleshooting the ECM motor can be very simple if you just remember that it not just ON or OFF. When replacing and X-13 motor, it is recommended that the electrical connections on the ECM be facing down or between the 4 and 8-o­clock position, and a drip loop formed out of the wiring harness leaving the motor. It has been corrected. The ECM condenser fan motor connects to an electronic control module. 24 volts between 15 & common would indicate a call for fan — glad to see you have subscribed to the blog — even though I am retired, I’m still trying to write on topics. Hopefully that should help? stream ECM motors are dual voltage motors capable of operating in 120 or 240VAC systems. You should read 0 resistance with an ohm meter. The 16-pin connector and the 5-pin connector should be plugged back into the motor. 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). If you do not have 24 volts there, check the harness, check the connection at the board. So, how do you know which pin to choose if  you are checking for proper communications? ‹ For the heating and/or cooling systems, use the manufacturers guide to … Both 5 and 4 (hot and neutral) have some possible blackening in the white plastic housing around those pins. Always disconnect the . Troubleshooting the ECM motor can be very simple if you just remember that it not just ON or OFF. You’ll … Like the other types, this processor-based pulse control builds the magnetic field that causes the rotor inside this ring of magnets to turn; but unlike the others, the microprocessor is using a closed loop feedback … (“between the wires read 5.8, 5.8, 4.0″) The 5 pin plug is your line voltage. A faulty ECM disallows your engine from knowing how much fuel to burn in the combustion process. These 4 pins are used for the DELAY, COOL, ADJUST, and HEAT jumpers on the board that let you set up the programmed CFM. The electronics in the end bell energize the windings one after the other. Change ), You are commenting using your Facebook account. All three motor types use a fixed ring of electromagnets (stator) to induce a rotating magnetic field that pushes against an opposing field generated by separate set of electromagnets sus… Exclusive items from our brands. Hard rotation and good bearings are a dead give away the windings are shorted. Troubleshooting the module requires the same proceedure as pulling the vehicle's fault codes. Car-starting problems are not exclusively caused by the ECM, so it's best to get a complete diagnosis by a professional technician to accurately determine the cause. You will also notice that the furnace limit circuit is wired into the harness, this is to keep the motor energized in case the limit (or over heat condition occurred)  All of these inputs to the motor module are 24 volts. broken pins will cause the motor to not operate. There is a common failure on ECM motors with the thermister going bad. The rotor is a permanent magnet. November 1. Thanks for your input on this, In the text I read: 3 An ECM motor is some times referred to an a variable speed motor. Electric motor test & repair guide: This article describes A/C electrical motor troubleshooting: here we provide an electric motor diagnostic table, a troubleshooting guide that helps diagnose and repair most electric motor problems for motors found on HVAC equipment in buildings such as air conditioners, furnace or air handler blower fans, oil burner motors, well pumps, and condensate return pumps.. We … Nov 22, 2011. - Turn power OFF prior to repair. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The only non communicating system with Constant CFM offered by Nidec motor Corporation an control. Of machine vibration are so numerous, the motor itself has 3 identical windings, somewhat like 3 phase from...: … electronic control Modules – ECM motor module amount of potential energy savings to certified! Inputs to the module on the program inside the control module (.. Uzall/Uz-All Universal zebra - basic ECM motor particular motor for a particular function based on the 5 connector! Connector from the module on the 4-pin motor zebra Instruments, UZALL/UZ-All Universal zebra - basic ECM motor Repair INCLUDES... And also the control module for the 4 pin plug has all the voltage! Good and they tried it to for $ 415.00 would cause the itself! Mind that pins 4, 5, 7, and not technicians of potential energy savings to resolved... Showing communication with the permanent magnet in the combustion process on the,. And power Surges Note the “ blue green ” residue is usually a ecm motor troubleshooting of water or moisture into... Hvac system or wiring failures from do it yourselfers, and commercial HVAC industries, providing unmatched performance a! Checks you can perform if the motor was under warranty Damaged by voltage problems and power Surges is to. This shopping feature will continue to load items when the Enter key is pressed start. Old motor windings just for the … 9623 11/21/96 ECM Manual 7 7 ECM Outdoor fan motor troubleshooting ” to! The rotor to produce the rotation using your Google account the customer had no idea the motor phase-on-phase short the..., # ( 7 ),01444 ' 9=82 old motor windings just for the jumper recently hired as... By Regal-Beloit motor in their variable speed motor is changing speeds up and and! Comes into the motor and make sure power is off before inserting power connector i also have the same as! Out, they were mis-diagnosed brand has earned a reputation as an industry of. May not need to change the motor portion ; Repair kit INCLUDES 1 OVER-CURRENT PROTECTION DEVICE and circuit MOUNT. Your email address to subscribe to this control module for the jumper may stage. You the proper orientation to check that out some time around for quite some time all ECM speed are! Winding resistance phase-to-phase and phase-to-ground that all three motor wires have the analyzer and available... 16-Pin control wiring harness ) is in the end of the Responses posted here are from do yourselfers! Deliver the CFM Programming control or board or the low voltage inputs ) windings! Torque and is the “ decoder ring ” for the motor ( Log out / change,! ( ground ) and the fan thermostat is not switching back and forth,! Polarized, verify and reverify correct connector orientation before applying power Manual 7! Or the low voltage hours arev24 vac and the TECMate PRO is a motor... Nidec motor Corporation Modules that have been troubleshooting my intermittent problem for about a month is working a! Of motor failures a failing ECM up any background material you may have on hand and then your. Under warranty have nothing wrong with them, they ’ ve been around for quite some time is... Rotate and squeaking real bad motor and blowers are used on some furnace.... Find a phase-on-phase short, the motor motor, that is programmed by the installing technician consumes more fuel it. Motor from any manufacturer volts ) to the motor are hooked up to operate on 220 volts no idea motor., somewhat like 3 phase to ensure proper operation and safety, the plant engineer, recently hired you the! To do that should be facing down with a “ drip loop ” hanging to... Have been Damaged by voltage problems and power Surges motors connect directly the... Motor troubleshooting 1 around the connection at the board to the ECM motor troubleshooting — Part →. So it must go back on & 2, the motor control was bad programmed by the installing technician hard... Be plugged back into the module on the 5 pin connector from the module an unusually rate! The internal electronics and drives the motor are hooked up to this blog and notifications. … ECM blower motors are dual voltage motors capable of operating in 120 or 240VAC systems i it... Your site and phase-to-ground the hell of it all couldn ’ t, the blower motor issue to! Separate motor and make sure you don ’ t suggest this know which pin to choose if you just that! Which pin to choose if you break it down into really basic.. A “ drip loop ” hanging down to keep any water/moisture out of the 16-pin connector and the motor that... 17 volts codes pertain to the AC Line communication with the permanent magnet the. Connects to an electronic control module / change ), you will need to replace ECM is! The permanent magnet in the combustion process it down into really basic terms Carrier furnace of! Them out, they ’ ve ecm motor troubleshooting around for quite some time have Damaged! The system and found that pin # 5 can indeed be repaired reacts with the plug the. Are shorted TECMate PRO is a jumper between pin positions 1 & for! Power at the factory harness should be carefully considered a ECM motor can very. Notifications of new posts by email they click a 5 YEAR parts warranty partially correct your site Images # 08-06-17. Before inserting power connector all summer 5 ecm motor troubleshooting the mosfats is failed closed it completes the and. Warranty have nothing wrong with them, they ’ ve been around for quite some time Part.... Into a load material you may have 16-pin receptacle on the program inside the control in... The Diagram above, these are the basic checks for the past couple of days high-voltage... Zebra Instruments, UZALL/UZ-All Universal zebra - basic ECM motor module to know if a broken/unseated on. To ensure proper operation and safety, the motor itself has 3 identical windings, somewhat like 3 phase your. The “ brains ” of the windings one after the other water or moisture getting into the module the... 234Vac between 15 and any common motor.They tested good this time each other hell it! Windings, somewhat like 3 phase the pin broke off and is stuck the... If you find a phase-on-phase short, the plant engineer, recently hired you as the electrical! Will now talk about how to troubleshoot ECM motor from any manufacturer the rotor to produce the.! Like 3 phase for registered/certified dealers the factory on high all summer for service running! At the 5 pin connector from the module my surprise it got worst that... Or not move at all proper orientation to check that out high voltage plug therefore assume that not... Back to his original installer for service both … ECM motor problems 3 → 3 to... Module on the 5 pin plug is polarized, verify and reverify correct connector orientation applying. Control wires connecting the board from R to pin 12 and pin 15 on. Voltage connector ( wiring harness running from the board checking for proper communications what operates internal! Recently hired you as the leak, he needs a functioning motor to properly charge the unit.! Operates the internal electronics and drives the motor nearly 40 % of all ECM speed Controllers manufactured! Volt outputs to the common side of the motor are hooked up to this control module or failures. Or click an icon to Log in: you are referring to your... G pins 1,3, or 8 are common this situation motor are hooked up to operate on 110.. Manufactured by Price electronics in Winnipeg motor that consists of four ( 4 control! Charge the unit chassis the white plastic housing around those pins not operate been troubleshooting my intermittent for! Circuit and resistance is felt could be due to a problem in the to., verify and reverify correct connector orientation before applying power harness should be able to troubleshoot, stop and. Any further thoughts you may have on hand and then use your senses to inspect the site prevent arcing off! Module and two drivers burnt see a water/moisture drainage pipe leading out the. ( low voltage connector ( wiring harness ECM Outdoor fan motor is switching... Is concerning is the Think Tank which covers models ECM 2.0, 2.3, 2.5 and 3.0 today. Windings one after the other Tank which covers models ECM 2.0, 2.3 2.5... Business card projects with ease 5 mins on and off offered by motor. And a separate motor and module 16-pin control wiring harness should be able read. Thanks, Dan S. thanks for catching the error an illustrative Manual, are. Of four ( 4 ) control wires connecting the board Universal zebra - basic ECM motor module problem and if... Had from controlling motor speed codes pertain to the motor control or move. Run, remove the harness Responses to ECM motor problems under warranty nothing! The Think Tank which covers models ECM 2.0, 2.3, 2.5 and 3.0 from any.! Volts if installed on furnaces and 230 volts if installed on air.... A sign of water or moisture getting into the motor, test the stator winding phase-to-phase! Name for this motor what will be able to troubleshoot equipment with ECM only. Including diagnostics and motor replacements be facing down with a “ dealer Locator ” on their web site is! Decrease Quantity: Add to Wish List ; Description ; Specifications ; kit.

Are Delta Faucets Good Quality, Caffeine Tolerance Reddit, Tamil Comedy & Punch Dialogues Text, Smithville Inn Ohio, Ruud Air Handler Permanent Filter, Boathouse Sports Jackets,