GE Refrigerator Compressor Not Running? Here's How to Fix It | XPart Supply Canada

GE Refrigerator Compressor Not Running?

Diagnose and fix your GE fridge compressor with OEM replacement parts. Canadian shipping since 1996.

✓ Refrigerator not cooling at all ✓ Compressor clicks on then shuts off ✓ Humming sound but no cooling ✓ Fridge and freezer both warm ✓ Compressor error code on display
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Top Causes: GE Refrigerator Compressor Not Running

1. Failed Inverter Board (Most Common on GE Models)

GE refrigerators with variable-speed compressors rely on an inverter board to control compressor operation. When this board fails, the compressor receives no signal to run — even though the rest of the fridge may appear to have power. This is the #1 cause of a non-running compressor on GE Profile, Café, and Monogram models.

Symptoms: Compressor silent, fridge and freezer both warm, no cooling at all, error codes

→ Shop GE Inverter Board Kit WG04A00766

2. Faulty Compressor Start Relay

The start relay gives the compressor the initial jolt of power it needs to start. If the relay fails, the compressor tries to start, fails, and shuts off — often with a clicking sound every few minutes. This is a common and inexpensive fix on older GE models.

Symptoms: Clicking sound every 2–5 minutes, compressor attempts to start but fails, fridge warm

→ Shop Compressor Start Relays

3. Thermistor (Temperature Sensor) Failure

If the thermistor sends incorrect temperature readings to the control board, the board may never call for the compressor to run — believing the fridge is already at the correct temperature. A failed thermistor can mimic a compressor problem while the compressor itself is perfectly fine.

Symptoms: Fridge gradually warms over time, compressor rarely or never runs, temperature inconsistent

→ Shop Refrigerator Thermistors

4. Main Control Board Fault

The main control board manages all refrigerator functions including sending the run signal to the inverter board or compressor. A fault on the main board can prevent the compressor from ever receiving a start command. This is typically diagnosed after ruling out the inverter board, start relay, and thermistor.

Symptoms: Multiple systems failing, error codes, compressor not running after replacing other parts

→ Shop GE Refrigerator Control Boards

5. Overload Protector Failure

The overload protector monitors the compressor motor for overheating and excessive current draw. If it trips or fails permanently, it cuts power to the compressor as a safety measure. A failed overload protector will prevent the compressor from running even when everything else is working correctly.

Symptoms: Compressor hot to the touch, compressor shuts off after brief run, fridge warm

→ Shop Compressor Overload Protectors

How to Diagnose the Problem

  1. Listen for the compressor — place your hand on the back/bottom of the fridge. A running compressor produces a low hum and vibration. Silence means it's not running.
  2. Check for clicking sounds every few minutes — this points to a failed start relay.
  3. Check error codes on the display panel — GE fridges often display compressor or inverter fault codes.
  4. Shake the start relay (remove it from the compressor) — if it rattles, it's failed and needs replacement.
  5. Test the thermistor with a multimeter for correct resistance values.
  6. Inspect the inverter board for burn marks, swollen capacitors, or visible damage.

Frequently Asked Questions

How do I know if my GE refrigerator's inverter board has failed?

Signs of a failed inverter board include: compressor not running at all, error codes on the display, the fridge and freezer both warming up, or the compressor making a brief attempt to start then going silent. Visible burn marks or swollen capacitors on the board are also clear indicators.

Is the WG04A00766 the right inverter board for my GE fridge?

The WG04A00766 fits a wide range of GE, Profile, Café, and Monogram refrigerators. It replaces 200D5948P001, WR55X10490, WR01F01521, and several other part numbers. Check your model number against the compatible models list on the product page to confirm fitment.

Can I replace the inverter board myself?

Yes, with moderate DIY skill. The repair involves accessing the rear panel, photographing and disconnecting wiring, swapping the board, and reconnecting. The kit includes all necessary wiring. Always unplug the fridge first and discharge capacitors before handling the board.

What GE refrigerator brands use an inverter board?

GE refrigerators sold under the GE, GE Profile, Café, and Monogram brands with variable-speed (inverter) compressors use an inverter board. Models made from approximately 2005 onward are most likely to use this technology. Check your model number to confirm.

Do you ship GE refrigerator parts across Canada?

Yes! XPart Supply ships fast to all Canadian provinces including Ontario, BC, Alberta, Quebec, and more. All orders include tracking so you know exactly when your part arrives.