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Customer Questions and Answers for Compressor Run Capacitor by Frigidaire

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Manufacturer Part
4.89 (64)
By: Frigidaire
Part Number: OEM12947568
Manufacturer Part Number: 5304464438

The Compressor Run Capacitor is an OEM replacement part for Frigidaire refrigerators. This electrical component is essential for providing the necessary torque to start and maintain the operation of the compressor motor, which is responsible for cooling the refrigerator.

Symptoms of a failing compressor run capacitor include:

  • The refrigerator not running or cooling properly
  • The compressor failing to start or running intermittently
  • Humming or buzzing noises coming from the compressor area

Causes of needing to replace the compressor run capacitor can include normal wear over time, exposure to high temperatures or electrical surges, or physical damage to the capacitor itself.

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore refrigerator models. 

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Questions & Answers

For Frigidaire Compressor Run Capacitor (Part Number: OEM12947568)

Steven for Model Number Frigidaire FRS26R4CB0

The other night my frig made a electrical short noise and I could smell an electrical fault (very faint). I thought it was the ice maker because the frig still seem to be working. The next morning the frig wasn't cooling. I took the back off of the frig and it looked as if my compressor capacitor had some damage. There was a brown residue around it and below it. I feel like the capacitor is bad do you agree? Also I notice the part (AP4315853) is rated at 220 vac and my frig is 120vac. Is this part compatible with my frig? Thank you for your help!!

1 Answer

Steven, Yes the 5304464438 Compressor Run Capacitor is compatible with your refrigerator. The capacitor is designed to operate on both 110 vac 60 Hz. and 220 vac 50 Hz. power supply systems. If the brown residue appeared or felt oily, then we'd have to agree that the capacitor was at fault, but now you'll also need to check the power supply to the outlet/refrigerator to make sure you have a grounded, polarized 120 VAC power.

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1 Answer

Hello Patricia. No, it would not prevent the light from working. You need to look at the breaker or a wiring issue in the unit.

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John for Model Number 218909913 COMPRESSOR RUN CAPACITOR

My freezer a Frigidaire ultra freeze stopped cooling the compressor will start the run cycle for approx. Twenty seconds but then shuts off. The freezer was working when I last checked it two days ago. Today items were starting to thaw. Fan motors works blows cool but like I stated when the compressor kicks on to run it shuts off in seconds. Compressor was warm when I noticed the problem and checked it. Doe's the capacitor control this function?

Eli for Model Number eev99491 or cs lr67369

Thank you for your time. I have this Frigidaire I bought 3 years ago but it was used very little. I turn it off when I am not at home. This time when I turned it on I noticed it is not cooling at all. Since I am mechanically knowledgeable I took a look at the unit in the back where the compressor is and the wiring it was very simple. I took the capacitor and the compressor protector off . I also noticed when I removed the cover on top of the compressor there was glazing like the one you use around glass windows . I don't know why was on the outside of the compressor. Now I have no idea what is needed to get the unit up and running . Thank you Help.

1 Answer

Zeke, Here is how to check the compressor to test to see if it is faulty. Obtain an ohmmeter from your local store. We will be doing RESISTANCE checks. This is the safest way because the refrigerator is unplugged from the power source and avoids the possibility of receiving an electrical shock. Step 1 Set the ohmmeter scale to the lowest ohms setting and ZERO the meter. See the instructions that came with your ohmmeter. Step 2 Remove one wire at a time, carefully labeling each wire according to the terminal marking on the compressor. This procedure should assure that the right wire is reconnected to the right terminal after checking or replacing. Step 3 Touch and hold one ohmmeter probe to the C (common) terminal. Step 4 Touch the other ohmmeter probe to the M (run) terminal. Step 5 The ohmmeter should show a reading between 1-10 ohms on the ohms scale. If not, the compressor is bad and needs replacing. OR Step 6 Touch and hold one ohmmeter probe to the C (common) terminal. Step 7 Touch the other ohmmeter probe to the S (start) terminal. Step 8 The ohmmeter should show a reading between 1-10 ohms on the ohms scale. If not, the compressor is bad and needs replacing. OR Step 9 Touch and hold one ohmmeter probe to the M (run) terminal. Step 10 Touch the other ohmmeter probe to the S (start) terminal. Step 11 The ohmmeter should show a reading between 1-10 ohms on the ohms scale. If not, the compressor is bad and needs replacing. GROUNDING CHECK Step 12 Touch and hold one ohmmeter probe to the compressor housing. Step 13 One at a time, touch the other ohmmeter probe to terminals C (common), M (run), and S (start). Step 14 The ohmmeter should show an open circuit when each of these terminals are touched. If not, the compressor is bad and needs replacing. Step 15 Reconnect the wires to the proper terminals as previously marked.

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1 Answer

Hello Tony. No, the capacitor should be fine on the unit. Just replace the starter on the side of the compressor.

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1 Answer

Hello Tony. You will need to remove the cover off the side of the compressor and check to see if the starter is burnt and needs to be replaced.

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1 Answer

Jasper, When measuring resistance on a capacitor, the resistance will fall until it hits zero. More than likely the run capacitor is good and the start relay would be the most likely cause if the compressor is not running.

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