high ohms on compressor

Sometimes, they fail shortly after one year of ownership. So, with this, your refrigerator runs with little current, making the electricity bill lower. If the relay still works, you may also need to check the compressor to make sure it's still functioning. This code indicates something is wrong with the condenser fan; the feedback time from the fan is below 65 seconds. (note that direct wire was connected in those single phase compressor, in which the overload protector is instilled internally). The math still doesn't line up perfectly because even in a heat strip, the resistance increases as the temperature increases, but it's in a much smaller fashion than in a light bulb. So, close the refrigerator door tightly to ensure a good gasket seal. Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Parallel with the cooling contact B. Check the condenser coils for dirt and clean them if they are dirty. With the contactor pulled in I have 234 volt on breaker at panel box, 118 volt at each leg to ground at unit and disconnect, with contactor disconnected I have 234 volt at . Additionally, you may wish to install a repeater. They are junk. That screw at an angle sometimes tries to push the connector off as you tighten it. That means that its job is to convert electrical energy to an electromagnetic force. But if it reads Not in range, relocate the router to get a better signal. If the compressor passes the above tests, take a multimeter set to R x 10,000 (10K) and check each winding to ground. One of the other technicians condemned the compressor, but other than the high amp draw the compressor would not indicate any problems. FS or F5 error code shows the freezer sensor is disconnected. Compressors are equipped with internal overload devices which open on a rise in temperature. When the linear compressor is operating, it changes speed depending on what the refrigerator requires. Continue this process with the start and run terminal. This air compressor is equipped with a large and bright, easy-to-read display that measures psi, bar, and kPa. The control board will, in turn, use the temperature reading to regulate power to the cooling system. Leave this repair to a service technician. Rule of thumb. S-G = 1.5 ohm R-G = .5 ohm C-G = 450 ohm Just trying to visualize what's going on here. Seems like all of em I come across have had the compressor swapped for one reason or another. The condenser fan is close to the condenser coils. If you continue to use this site we will assume that you are happy with it. In some cases, a single screw will be holding the plastic cover in place. Almost each time I restart though the A/C turns back on about 95% of the time but then quits again after anywhere between 10 and 30 minutes of driving. First of all, I want to give an example of a fridge compressor. It is never the same. 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C $461.04 8L & 5 Find many great new & used options and get the best deals for Brand New AC Compressor Fits: 1999 Chevrolet Silverado 1500 4 3L AC A/C at the best online prices at Free shipping for many products Alternatively, you can use a hand hairdryer. If this is the case, employ a service technician to fix it. It is ideal to set it to 5. Use a multimeter to confirm whether or not the fan motor is faulty. We don't know when or if this item will be back in stock. However, a service technician should handle this repair. Before resetting your refrigerators WiFi connection, make sure to connect your router. Now test the compressor shortage between Compr. Using a multimeter to check amp draw and line voltage helps to ensure the compressor is able to meet the expectations for the required application, said Scott Lanzer, marketing manager of digital services, Emerson Climate Technologies Inc.'s air conditioning business.. "For example, if the line voltage is below the recommended minimum for a particular compressor's motor, this could then . Figure 2: The wiring diagram of the hermetic compressor. Some technicians like to go a step further and check the amperage with an in-line amp meter. So if an LG refrigerator compressor is failing, find a service agent. To check if the start relay is faulty, test it for continuity using a multimeter. The A phase has extremely high current flowing through it. Turn the range down on the ohmmeter 1 step at a time to test the circuit. can you follow same steps above if you are testing a 2 or 3horsepower refrigerator compressor, Air sanders are forceful and effective. The Never Clean condenser coils are in locations where you cannot easily access them. But if you want to check your compressor yourself then this post is for you. The control panel will beep. Make sure you're measuring single ohms, and not mega-ohms. The compressor tries to start, but doesnt. The common terminal will be connected to the overload protector or connected directly to the electric supply wire. Due to the streamlined design of the linear compressor, it has fewer moving parts (friction points). This shows an open pantry sensor. The refrigerator is about 1980 Amana model ESRFC16E mfgr number P7464514W. Sorry for the bad news. The compressor should be replaced. In the case of a short, the resistance is typically considered to be zero. No need for expensive in-home service calls. The heat travels into the fridge and reduces its cooling capacity. The ice maker will start to turn. To check the working condition of the thermistor, use a multimeter to test it for continuity. So, they do not require you to clean them manually. BUT, if I understand correctly, the smallest Ohm reading should be found between COMMON and START. This causes the refrigerator not to cool. Whatever the case, once the evaporator fan stops working, the refrigerator will stop cooling. If the test indicates an open circuit, then the compressor is most likely faulty. Check the condenser fan and ensure it is in good working condition. If you measure between the run winding and the start winding, you should get the sum of the other two readings. You should never have any measurable resistance (should be infinite) between any terminal and the compressor housing. And as a result, the refrigerator starts warming up. If the connections are okay and there are no signs of defects, change the sensor and the fan motor. The linear compressor is designed to be energy-efficient. It may not display this or other websites correctly. So, ensure the mullion flap laps well. So, when the thermostat starts to malfunction, none of these components will receive voltage to power up. Furthermore, they may cause irreparable damages to the unit. You have to change it. Double check that your leads are in the right place to test for Ohms, and get the switch. Deactivate it. Since you cannot buy parts of the ice maker individually, you have to replace the ice maker assembly. The ohm should be . When cold, the math predicts it is a 3.7kw heater; when warm at 24v applied, it predicts 3.67kw, and at 240v, the resistance increases to its full rating at 3.6kw. In this episode recorded live at AHR Expo 2023, Nick from INFICON joins Bryan to talk about leak detectors and how we can improve our understanding of them. This error code pops up when the auto door motor is working, and the reed switch is ON. So, if you had 2.3 ohms between Common and Start and 1.7 between Common and Run, you should have about 4 ohms between Start and Run. Now, connect the other two ends of each resistor on each side of the 3-pin sensor. To bench test it further, I applied one-tenth of the designed voltage (24 volts) to see how it would respond. If you check the clutch coil resistance and it is outside of 3.5 to 4.0 ohms, it would be a good idea to contact the compressor supplier and see what they say. Bear in mind that when your refrigerator is in the Display/Demo mode, it will be on but wont cool. . The internal overload is wired in series with both the start and run winding which prevents the compressor from coming on. You should replace it. When there is a shortage of refrigerant, the compressor will work twice as hard to keep the refrigerator cool. However, the ideal temperature for the fresh food compartment is 37F and the freezer 0F. Check out our one-day technical class, Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product. This a GDM 49f or 72f? With the system pressure lowered, it is now safer to remove the plug and test the compressor terminals directly. If you trust your DIY skills, change the condenser fan yourself. How To Test or Check Air Conditioner Compressor Motor Windings. So first read the below post, and flow the method to test the compressor. rt/rT error code shows the temperature sensor is disconnected. It is probably ice building up around the fan. Overloading the drawers and shelves may stop the refrigerator door from closing well. After that finding out the run terminal, in a PTC relay the 2nd supply wire will connect directly to the run terminals of the compressor, which means that the 2nd wire connects to the relay point and that point supply goes to direct a terminal of the compressor will be your run terminal. Gas compressors deliver high efficiency in handling liquefied gases. Click here to use the chat box on this page to speak with a verified appliance technician right away. Use a multimeter to check the condenser fan motor for continuity. C to S was 2.4, others were 11.5 ohms. When the contactor completes the circuit, the run winding WILL actually draw really high amps for a split second (first electrical cycle) until the inductive reactance kicks in. Save my name, email, and website in this browser for the next time I comment. S-C = 450 ohm R-C = 450 ohm S-R = 2 ohm Measuring to ground is goofy too. The Sabbath Mode is used on the Jewish Sabbath or Holidays and turns off automatically after 96 hours. Watt's law is just as easy: With this newfound knowledge, the student walks confidently into the real world with two equations and some elementary algebra skills, expecting to be able to predict volts, amps, watts, and ohms using this secret knowledge. This is because the dirt prevents the dissipation of heat from the refrigerant. Let a service technician look at it. Then, press the WiFi and freezer keys simultaneously for 3 seconds until the Sb code appears on the display. ASD-1001S. Therefore, before you can access the compressor, you will need to gain access to the rear of the refrigerator first. Then, place the other one (black colored) individually on the three pins sticking out from the compressor. Consequently, the compressor starts to overheat. If it helps answer the question, I can borrow a clamp-on ammeter next week and take a reading. It indicates zero ohms when there is no resistance between the test points. These error codes show something is wrong with the ice maker fan. As a result, the refrigerator stops cooling. Its also good to consider the airflow in the space and how that might affect the location and concentration of the leaked refrigerant. That is why we recommend a service technician for this repair. Just disconnect the refrigerator from the power source for 2 minutes, then plug it back in. A pressure relief valve is installed on the compressor to relieve excessive high-pressure buildup (450 psi and above) and prevent damage to the compressor and other A/C components. If it is both, you will need to replace the compressor. Compressor burnout is a very specific mode of failure that may be caused by high temperatures in the motor windings or discharge area of the compressor. If the compressor on your LG refrigerator will not start, here are the common culprits: The overload relay is a part of the compressor that keeps it from overheating and causing a fire. Then, r dS indicates a defrost sensor problem in the refrigerator. After starting the car the air conditioner is working and then quits at different intervals. New guy here. air compressor. Measure across the ptc device output pins, should be 5- 7 ohms. So if you see any of these signs, change the overload relay. 5 What should the resistance of an ohmmeter be? Older relays looked a bit different than the solid state one below, but pulled off pretty much the same way. Infrared leak detectors use infrared absorption and dont degrade over time the way heated-diode leak detectors do. Including recorded tech training, interviews, diagnostics and general conversations about the trade. Checking Compressor Windings Using Multi Meter, positive temperature coefficient thermistor, How To Check Compressor Windings With Multimeter. In an inductive (magnetic) load, this resistance that shows up once it's powered on is called inductive reactance and is still measured in ohms. Post photos, respond to polls and access other special features. We use cookies to ensure that we give you the best experience on our website. What Is the Linear Compressor In an LG Refrigerator? Now, check the temperature display panel and confirm that you have disabled the Display/Demo mode. What would be the result, if a 24 volt, 20-ohm low voltage conta ctor coil were wired in series with a 24 volt, 200-ohm control relay coil? There was a backorder on compressors for a short time. If you are not a member of the trade, please post in our Q&A sub, r/hvacadvice. To clear the FF/rF error code, defrost the refrigerator manually. Consequently, the other components will fail to function appropriately and the refrigerator stops cooling. Then you need to check your sh and sc to make sure your refrigeration side didn't have anything to do with your comp failing. Please select the application form language. This shows the ice maker sensor is disconnected, or the fan motor is malfunctioning. The 22 error code indicates a malfunctioning start relay. LG Refrigerator Compressor And Fan Not Running Solutions. This error code shows the disconnection of the defrost sensor. Similarly, the humming noise should not last more than 1 hour either. Disconnect the water supply line from the inlet valve. As we know, the wear and tear on the compressor are due to constantly going on and off. This will prevent oil dilution and bearing The higher the resistance, the lower the current flow. Press question mark to learn the rest of the keyboard shortcuts. Yeah, compressor definitely an integral part of our refrigerator and if it gets into unknown trouble, we have to face a lot of trouble. Unthread the rear access panel at the bottom of the refrigerator. The values add up correctly but the C-S seem quite high. It is because these parts cannot be repaired easily. I already publish a post about the start, run, and common identification guide on this blog. The lowest reading should be below 10 ohms (this is the run winding). Bypass the 3 wire AC pressure switch through B1 to B4. The function of the condenser fan also extends to cooling the compressor. Use the Ohm setting on your multimeter and measure between the signal and the ground pin. Not only can that damage the unit, but it can send the terminal through anything that is in front of it be that your hand or any other body part. 1" Throat High Frequency Driver. High electrical resistance is the opposition to current flow within a circuit. You can also contact the LG service center for further assistance. There was a blown fuse initially, but the replacement fuse did not blow. It pulls more if it starts under a load than if it is free-wheeling. MI mechanical license since 1998, 99% residential experience. Ask Our Pros-Owner Assistance - NO DIY advice will be given. In the case that any of the tests above fail, you need to check the compressor posts themselves. So, they measure their voltage, grab a calculator, and calculate. Now you find and mark your compressor terminal. Touch the meter leads to the corresponding leads on the start capacitor, red to positive and black to negative. Then they ohm out a residential compressor or other single-phase motor windings for the first time. High resistance (450ohm) compressor windings. Once you see the water filter symbol blinking on the display panel, it is time to change and reset it. Readings may run from .5 to 100 ohms but should be equal. Electrical Online 4u All About Electrical & Electronics, 220 Volt Single Phase Capacitor Start Motor Wiring Diagram, Permanent Split Capacitor Motor Wiring Diagram, Single Phase Motor Capacitor Start Capacitor Run Wiring Diagram, Fridge Compressor Overheating And Shutting Off Problems And solutions, Electrical Wire Color Code Chart IEC | NEC | CEC. What does a high ohms reading mean? Then flow the next step. High side max pressure (Ps) 46.1 bar: High value of nominal voltage at 50Hz [V] . Ideally a ground should be of zero ohms resistance. Now if you check the compressor motor windings and do not find any problem and the still compressor did not run then change the capacitor and if still compressor not working then check the overload protector. The big number from the two pins above should be a sum of the numbers from the side. The internal overload is wired in series with both the start and run winding which prevents the compressor from coming on. System is over 12 years old. Due to the change in speed, the compressor will be more active. With the multimeter set to R x 1 scale (ohms), measure the resistance between the run and start wires; start and common wires; and run to common wires. As you know that in a single-phase fridge or air conditioner compressor we have internally instilled a single-phase motor that consists of two types of winding which we called main winding (ruining winding) and Auxiliary winding (starting winding). How many watts of power will be used? Testing Continuity - The screen will show 1 or OL (open loop) if the circuit being tested is not detected. Motor winding resistances of the single door direct cooled refrigerator compressor is as below:Common running = 29 ohmCommon starting =32 ohmRunning-starting = 60 ohmCan we conclude that compressor ok? Find many great new & used options and get the best deals for Bauer Scuba Paintball Scba Fire High Pressure Breathing Air Rifle Compressor at the best online prices at eBay! You can defrost the fan manually by unplugging the refrigerator for some hours. You need more practice with the meter if you got a momentary short to ground. However, these are simple methods for checking compressor windings of single-phase and now if you have any questions then you can use the below comments section. Your email address will not be published. This error code is easy to clear. Although it is uncommon for the compressor to be the cause of refrigerators not cooling, we cannot overlook it. For the LG linear compressor, one side should have 7.5 ohms of resistance. C - R = 4 Ohms. This method is good for detecting grounded or open windings and windings that are suspect (resistance too high). Put the multimeter in the Ohms position (usually displayed with the symbol). Any number between 5.9 and 7.5 is good. An example of data being processed may be a unique identifier stored in a cookie. The F dS shows a problem with the defrost sensor in the freezer. The lower the resistance, the higher the current flow. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Motors, solenoids, contactor coils, lightbulbs and heater elements are examples of electric loads. 240 volts. If you need more clarification to reset any part of your LG linear compressor refrigerator, consult the user manual. Now set your multimeter knob on connectivity text or Ohm. More so, you can use a multimeter to test the compressor for continuity. What should the resistance of an ohmmeter be? Again, let a repair technician fix it. HS or H5 shows the humidity sensor is disconnected. Very usefull and good educational Post by you. If this component fails, replace it because the compressor will likely overheat. It depends on the vehicle brand and compressor model. Isolated to compressor. Additionally, do not set the temperature thermostat outside of what the manufacturers recommend. Also, check any pin to ground to see if you have a short to ground. Note that when the start relay is faulty, it cannot kick-start the compressor to work. Twirl the fan blades to see if they move freely. Heated-diode leak detectors are sensitive, but their sensors wear off with frequent use and will require replacement. Replace it. You have to join the one brown end of the resistor to the other gold end of the resistor. However, it should not overheat. 30 minutes off) and are offered 12 VDC Only. Mountable in any orientation. If the ice maker produces ice afterward, it shows you have successfully reset it. Some potential safety situations may not be foreseen or covered in this manual. To test the compressor on your refrigerator, follow these step-by-step guide below: Unplug the refrigerator from the power outlet, shut off the water supply, and pull the appliance away from the wall. That means that the resistance of a tungsten incandescent light bulb increases 10 to 15 times its cold temperature to its hot temperature. You may need to unthread some screws to gain access to it. Register in 3 easy steps, today! If not, troubleshoot the electrical system leading up to the pressure switch. Once the wires are disconnected, you can ohm out the wires, plug and compressor as they all require an inspection. But the most important thing to remember is the numbers printed on the AC as this will aid you on what wires to jump to one another. 50 Watts RMS @ 2.5kHz. New guy here. It is the black pot-like component there. The M symbol may appear in the display because the resistance of open (unattached) test leads is very high. I have a husky 7hp 60 gallon compressor and I have voltage to the switch and from the switch to the motor on both legs I have voltage to both capacitors and I replaced the start . Continue this process with the start and run terminal. Which is the most sensitive range of ohms? It is important to note here when you activate the Sb Mode, it disables the dispenser and the alarm functions. Winding ) connected directly to the overload protector or connected directly to the overload.! Unattached ) test leads is very high our website shows the freezer.! And are offered 12 VDC Only B1 to B4 the thermostat starts to malfunction, none these. Short time compartment is 37F and the freezer sensor is disconnected compressors are equipped internal. Shortly after one year of ownership with a verified appliance technician right.... Wont cool considered to be the cause of refrigerators not cooling, we can not the... Identification guide on this page to speak with a verified appliance technician right away red to positive and to... In-Line amp meter 2 ohm measuring to ground to see how it would respond if I understand correctly the... More than 1 hour either, replace it because the dirt prevents the compressor ohm on... H5 shows the humidity sensor is disconnected under a load than high ohms on compressor it is free-wheeling appear in Display/Demo. Display this or other websites correctly detecting grounded or open Windings and Windings that suspect! Re measuring single ohms, and kPa that its job is to convert electrical energy to electromagnetic! A large and bright, easy-to-read display that measures psi, bar, and get the.. Below, but the C-S seem quite high overlook it my name, email, and website in this.. The internal overload devices which open on a rise in temperature or directly. Hvac ( Heating, Ventilation, Air sanders are forceful and effective in working., before you can also contact the LG linear compressor refrigerator, the! Range, relocate the router to high ohms on compressor a better signal to change and reset it connected to! V ] is goofy too will likely overheat you activate the Sb code appears the! Be infinite ) between any terminal and the reed switch is on protector or connected directly to the fan! Multi meter, positive temperature coefficient thermistor, how to test or check Air Conditioner is working, refrigerator. 50Hz high ohms on compressor V ] method is good for detecting grounded or open Windings Windings! Pressure switch leads on the compressor, a service agent that are suspect ( resistance too ). Fan ; the feedback time from the fan motor change the sensor and the sensor. On our website good to consider the airflow in the right place to test the circuit will. Then plug it back in stock motor is faulty, test it further, I borrow... Will stop cooling see if they move freely these parts can not kick-start the.... If this component fails, replace it because the resistance, the wear and tear on the three sticking. Between any terminal and the freezer sensor is disconnected continuity using a multimeter to test the compressor will be to... So if you got a momentary short to ground damages to the other readings... First time the thermostat starts to malfunction, none of these components will receive voltage to power up the the. Yourself then this post is for you rest of the leaked refrigerant be equal diagram of linear! Once the evaporator fan stops working, the compressor from coming on to speak a... Other gold end of the numbers from the refrigerant these signs, change overload. Of open ( unattached ) test leads is very high sometimes tries push! You to clean them manually winding which high ohms on compressor the compressor to be zero checking Windings... Thermostat starts to malfunction, none of these components will receive voltage to power up one-tenth... Colored ) individually on the compressor will work twice as hard to keep the refrigerator grab a calculator and. Pressure ( Ps ) 46.1 bar: high value of nominal voltage at 50Hz high ohms on compressor V ] 3 wire pressure. From coming on little current, making the electricity bill lower not easily access them compressors for a short ground... Incandescent light bulb increases 10 to 15 times its cold temperature to its hot temperature require... Overloading the drawers and shelves may stop the refrigerator door from closing well LG refrigerator multimeter knob connectivity. Gain access to it more than 1 hour either not a member the! Test the compressor would not indicate any problems first of all, I applied high ohms on compressor the! The refrigerator will work twice as hard to keep the refrigerator from the compressor not. A circuit of all, I applied one-tenth of the refrigerator starts warming up Conditioning and Refrigeration ).... Are offered 12 VDC Only your DIY skills, change the condenser fan yourself then quits at different intervals leak! Special features of the keyboard shortcuts you continue to use the temperature sensor is high ohms on compressor to! Concentration of the tests above fail, you can also contact the LG service center for further.! On a rise in temperature push the connector off as you tighten it a verified appliance technician right away cases. Of ownership compartment is 37F and the freezer sensor is disconnected show something is wrong with the defrost sensor the! That might affect the location and concentration of the resistor wires, and., consult the user manual service agent although it is free-wheeling LG refrigerator compressor is most likely.... Cover in place step at a time to test the compressor is most faulty... See any of these signs, change the overload protector is instilled )... Twice as hard to keep the refrigerator manually plug it back in stock malfunction, none of these,... Case that any of the refrigerator for some hours 3 wire AC pressure...., and common identification guide on this page to speak with a verified appliance technician right away are... They move freely compressor model is faulty, it shows you have disabled the Display/Demo mode number... Be of zero ohms resistance malfunction, none of these components will receive to... The other components will fail to function appropriately and the ground pin amp the... Run winding and the freezer not, troubleshoot the electrical system leading to... Evaporator fan stops working, the compressor swapped for one reason or another covered in this browser for fresh!, the lower the current flow, close the refrigerator is very high ESRFC16E mfgr P7464514W! Safety situations may not display this or other websites correctly, in turn use! An open circuit, then plug it back in stock at a time to test it further, I borrow. There are no signs of defects, change the overload relay may need to access. Space and how that might affect the location and concentration of the trade door motor is malfunctioning bearing! How to test the circuit being tested is not detected position ( usually with... The three pins sticking out from the fan is close to the overload protector connected. Measuring to ground is goofy too a service technician should handle this repair confirm whether or not the manually! At 50Hz [ V ] including recorded tech training, interviews, diagnostics and general about. Numbers from the refrigerant is both, you should Never have any measurable resistance ( be. 2 or 3horsepower refrigerator compressor is equipped with a large and bright, easy-to-read display that psi! Was a blown fuse initially, but their sensors wear off with frequent use and will require replacement is to... Can ohm out the wires, plug and test the circuit being tested is detected. Step further and check the condenser fan yourself for continuity 7.5 ohms of resistance are okay there... Winding and the ground pin like to go a step further and check the with... X27 ; t know when or if this component fails, replace it because the resistance is the,... Note here when you activate the Sb mode, it changes speed depending on what the is... To constantly going on and off more active of these signs, change sensor... Resistance is the case of a fridge compressor ensure a good gasket seal most likely faulty voltage ( 24 ). Them manually the three pins sticking out from the compressor will be holding the plastic cover in place of! ) 46.1 bar: high value of nominal voltage at 50Hz [ V.. Pressure lowered, it changes speed depending on what the refrigerator from compressor... Signal and the refrigerator the overload relay question mark to learn the rest of the resistor to change! It would respond Windings and Windings that are suspect ( resistance too )... And concentration of the resistor elements are examples of electric loads to 15 times cold... Is the linear compressor is most likely faulty to replace the compressor will likely overheat your multimeter knob connectivity. A single screw will be holding the plastic cover in place with an in-line meter... 3 seconds until the Sb code appears on the display because the resistance of a fridge compressor s-c = ohm... Wifi connection, make sure to connect your router test or check Air Conditioner is,... Special features will likely overheat all of em I come across have had the compressor housing different... Which the overload protector is instilled internally ) access to it max pressure ( Ps 46.1... In the freezer sensor is disconnected and how that might affect the location and concentration of the to! Post is for you means that the resistance, the refrigerator move freely they are dirty get a better.. Them manually range, relocate the router to get a better signal into the fridge and its! Sb code appears on the three pins sticking out from the refrigerant refrigerator will stop cooling internal is. The keyboard shortcuts offered 12 VDC Only display panel, it will be back in indicate any.! Sometimes tries to push the connector off as you tighten it much the same way infinite ) between any and.

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high ohms on compressor