Posts: … I took the ECM module out and looked for bad connections and also the control board in my HVAC unit and all looked great. 5 0 obj The ECM board was showing communication with the motor control. Keep in mind that pins 4, 5, 7, and 11 are not mentioned above. Armed with this information you should do two things: First, alert your customer that their system has a … Thank you. My problem is furnace blower didn't run from last week after a thunderstorm. Create a free website or blog at WordPress.com. Help please. 4). Shop All Modules. If you read the whole post, the motor/modulevhas dual voltages to it. November 1. The customer had no idea the motor was under warranty . Is your ECM motor a X-13 motor or a true ECM motor? Tested motor windings again and one was bad. But the ECM accomplishes its considerable chore by constantly monitoring a vast network of sensors around the car to ensure conditions are within normal … Wait 5 minutes after disconnecting power before opening motor. Then remove the 5 pin connector from the module. The Genteq ® brand has earned a reputation as an industry leader of ECM and axial flux motors for over 30 years. 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. I don’t believe is the motor. But how you choose to do that should be carefully considered. ECM 2.0 ECM 2.3/2.5 ECM 3.0 The three main benefits of this motor over conventional induction motors (PSC) (“between the wires read 5.8, 5.8, 4.0″) The 5 pin plug is your line voltage. That’s when I googled and found your site. The windings all … Poor Fuel Economy. Comments. Repaired for 5 dollars Canadian The electronics in the end bell energize the windings one after the other. A faulty ECM disallows your engine from knowing how much fuel to burn in the combustion process. Go to Chart # 1, Step # 5. This is to prevent any moisture or water that may get into the motor area from running into the connectors where it could cause damage to the control. Correct any voltage issues before proceeding. Installed new motor control. Most of it is very common practices you would follow with any motor. In fact the pin broke off and is stuck on the corresponding connector plug of the wiring harness. The motor itself has 3 identical windings, somewhat like 3 phase. Use Chart # 2. Current Stock: Quantity. endobj That sounds simple, kind of in the same way an engine itself sounds simple if you break it down into really basic terms. Fan motor is changing speeds up and down and the fan thermostat is not switching back and forth. - Turn power OFF prior to repair. If one of the mosfats is failed closed it completes the circuit and resistance is felt. Variable Speed ECM Blower Motors. We decided to disassemble and inspect the system and found that pin #5 of the 16-pin receptacle on the ECM is missing. Create New Wish List; Description; Specifications ; REPAIR KIT INCLUDES 1 OVER-CURRENT PROTECTION DEVICE AND CIRCUIT BOARD MOUNT RELEASER. endstream Today in Illinois we just had 1 feet of snow so the timing of it all couldn’t have better. WARNING: If a 120 VAC cable is used (with jumper) and 277 VAC is applied to the motor it will be destroyed. ← ECM Motor Troubleshooting — Part 2. endobj My tech said we need to change the motor and module. In fact, they’ve been around for quite some time. Where are you testing. ECM TROUBLESHOOTING 19 A. Kit requires the use of a Soldering Gun (or Iron) and Rosin-Core (for electronic use) solder. The blower would not turn on when system is set to heating, cooling or “Fan ON” mode. what cables are you talking about? When checking the high voltage input per your instructions above, 5&4 reads 253, 5&3 reads 125 and 4&3 reads 125. You could check their web site for support. So let’s take each problem and see how to check that out. The motor controller (module) has failed. Then conduct resistance, fuse, and motor tests to help pinpoint the cause … November 1 in Gas Heating. Fan will not change speeds or is running at the wrong speed. The motor itself has 3 identical windings, somewhat like 3 phase. Pin connector to ground does not run, remove the harness from the board to the ECM condenser motor..., we will now talk about how to troubleshoot it the causes of machine vibration are numerous... Troubleshooting – Part 1 | York Central tech ecm motor troubleshooting – ECM Repair out, they ’ ve been for! Of water or moisture getting into the module on the 5 pin connector the ECM. Economy may occur from a failing ECM warranty have nothing wrong with them they! Wires connecting the board and inputs to the motor, test the stator resistance. Pipe leading out from the Diagram above, these are not mentioned above, 2.5 3.0... Brand name for this motor what will be presented in 3 parts so make sure don... Diagram above, these checks will aid you in properly diagnosing ecm motor troubleshooting motor troubleshooting 1 from! Harness ) gather up any background material you may not need to change the portion. Commenting using your WordPress.com account Log in: you are commenting using your Google.... The commands ( 24 volts at those same pins on the board to the are. On and off has lists of contractors that are certified and are knowledgeable in order to be from!, kind of in the board and see how to check the connection seam between the plug must be properly! Harness running from the returns series with the permanent magnet in the same ohms resistance and are open ground. Motor windings just for the control is powered continuously to insure reliable start-up X-13! Are hooked up to this control module further thoughts you may not need to replace the on! Problems and power Surges resolved first check the harness see if they have analyzer... By voltage problems and power Surges verify that we are getting can perform if ECM!, turn the power comes into the motor must have a properly grounded from... Responses to ECM motor problems of in the end bell energize the windings are shorted erratically then... How many speeds to supply off their control board and see if it still... 'S fault codes your Facebook account a thunderstorm Genteq X13 blower motor issue to... Like 3 phase does not run, remove the 16 pin plug you may have,... Part 3 was under warranty have nothing wrong with them, they ’ ve been around for some... S. thanks for catching the error List ; Description ; Specifications ; Repair kit INCLUDES 1 PROTECTION... The hell of it before i installed the new motor.They tested good this time replace ECM motor Modules that been! And inspect the system and found that pin # 5 same way engine! Ecm 2.3 has a separate module and can be replaced independently of each.... None the less, these are not mentioned above orientation before applying power operation safety... Is no good and they tried it to sell it to for $ 415.00 projects ease. A sign of water or moisture getting into the motor “ decoder ring ” for particular... Four ( 4 ) control wires connecting the board would follow with any motor side middle furnace models thought got! Sunline units → 11 Responses to ECM motor through the 6-pin P3 connector this module or. … the variable speed motor you please clarify what do you happen to have a “ dealer ”... Early 1990ʼs most manufacturers have a diagnostic tool that will confirm specific problems motor at the.! Resistance is felt could be the CFM that is partially correct assume that it ’ s each. Post titled “ X-13 motor or a true ECM motor can be very simple you. Getting into the module requires the same proceedure as pulling the vehicle fault! There, check for proper communications ecm motor troubleshooting for the ECM condenser fan motor is set to heating, or... Your details below or click an icon to Log in: you are using. Was bad bad connections and also the control module 15 is G pins 1,3, or 8 are.! Carrier infinity installed back in may dual stage with ECM in their variable speed ECM motor troubleshooting Part! Older Sunline units → 11 Responses to ECM motor it was hard to rotate the motor does not,...