Kenmore Refrigerator: compressor failure

Professional Repair Guide

What is this symptom?

Experiencing Kenmore refrigerator compressor failure can be frustrating. Symptoms include the compressor not running, a lack of cooling, intermittent clicking, or a constant humming sound. These issues may indicate problems with the start relay, compressor motor, or electronic control board, leading to inefficient cooling or complete breakdown.

Urgency: Critical

Important Tips for Kenmore Models

  • Kenmore troubleshooting documentation lists a locked compressor, defective electronic control board, or damaged evaporator as causes for compressor not running, with start device issues being common. (Sears Home Services

Possible Causes

Failed start relay / overload / start capacitor

How to Identify: No compressor hum, clicking noises, or compressor fails to start while control board energizes the compressor circuit. Multimeter testing can show open or short circuits in these components.

Part: Start relay, overload protector, start capacitor

Compressor motor internal failure

How to Identify: Compressor makes abnormal noises (loud humming without running, high-pitched or different tone and may overheat, then shut off repeatedly. (iFixit

Part: Compressor assembly

Electronic control board fault

How to Identify: No attempts to start compressor despite correct thermostat settings; other functions may also misbehave.

Part: Main control board

Thermal or PTC protection triggers

How to Identify: Compressor attempts to start then immediately shuts off with clicking; compressor may not run long enough to cool. (–

Part: PTC thermistor / thermal overload protector

DIY Solutions

Test and Replace Start Relay / Overload

Advanced 30-60 minutes
Tools Needed: multimeter, screwdrivers, replacement relay/overload assembly
  1. Unplug the refrigerator and locate the compressor start relay and overload protector on the side of the compressor.
  2. Remove the existing start device and test for continuity with a multimeter following component-specific procedures.
  3. Replace the start relay/overload with an OEM Kenmore part if tests show failure.
  4. Reconnect and power on the refrigerator to see if the compressor starts correctly.
⚠️ Safety First: Always unplug the appliance before working on electrical components.

Professional Repairs

Compressor Replacement

Estimated Cost: $300 - $700

Control Board Replacement

Estimated Cost: $150 - $350

When to Call a Professional

Compressor still doesn’t start after replacing relay/overload or if diagnosis is uncertain
Compressor makes unusual loud noises indicating internal failure
You cannot safely access or test internal components

Preventive Maintenance

  • Clean condenser coils: Helps compressor run efficiently and reduces overheating
    Frequency: Annually
  • Check door seals: Reduces compressor strain from excessive cycling
    Frequency: Biannually

Frequently Asked Questions

Why is my Kenmore Refrigerator compressor failure?
Common causes include a failed start relay, compressor motor failure, or electronic control board issues.
How do I fix Kenmore Refrigerator compressor failure myself?
Unplug the fridge, test the start relay for continuity, and replace it if faulty. Use OEM parts for best results.
How much does it cost to fix compressor failure?
Professional repairs can range from $300 to $700 for compressor replacement or $150 to $350 for control board replacement.
When should I call a technician for compressor failure?
If the issue involves complex repairs like compressor replacement or if DIY solutions fail, it's time to call a technician.

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Common Issues Reported by Users

  • Compressor failure (3 mentions)

User Suggested Solutions

Analysis based on 3 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. An actual RELIABLE brand for a refrigerator?
  2. Why does noone weant to fix refrigerator compressor issues?
  3. Designed to repair or replace?

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