Kenmore Refrigerator: lights always on, not cooling

Professional Repair Guide

What is this symptom?

If your Kenmore refrigerator's lights remain on but it's not cooling, you're likely facing a cooling system failure. Despite having power, issues such as dirty condenser coils, faulty fans, or blocked airflow can hinder temperature regulation. Addressing these problems promptly can prevent food spoilage and restore your refrigerator's performance.

Urgency: High

Important Tips for Kenmore Models

  • Some Kenmore models may have specific control boards or damper controls that can affect cooling; refer to model-specific manual.

Possible Causes

Dirty condenser coils

How to Identify: Visible dust and debris on coils (located on back/bottom impair heat dissipation; fridge runs but doesn’t cool.

Part: Condenser coils

Faulty evaporator fan motor

How to Identify: Freezer cold but fridge compartment warm, no fan noise, or airflow missing inside freezer area.

Part: Evaporator fan

Faulty condenser fan

How to Identify: No airflow near compressor/condenser area; fan doesn’t spin when compressor runs.

Part: Condenser fan motor

Faulty thermostat or thermistor

How to Identify: Incorrect temperature regulation; thermostat doesn’t click or thermistor tests out of spec on a multimeter.

Part: Temperature control thermostat/thermistor

Start relay or compressor failure

How to Identify: Compressor does not start (no humming or overheats, fridge not cooling despite power/light on.

Part: Start relay/compressor

Obstructed/blocked airflow inside

How to Identify: Internal vents blocked by food or ice buildup restricting cold air circulation.

Part: Air vents/damper

DIY Solutions

Clean condenser coils

Moderate 30–60 minutes
Tools Needed: vacuum with brush attachment, coil cleaning brush
  1. Unplug refrigerator
  2. Locate condenser coils (back or bottom panel)
  3. Use brush/vacuum to remove dust and debris
  4. Plug in and monitor cooling performance
⚠️ Safety First: Unplug refrigerator before cleaning to avoid shock

Check and clear internal airflow

Easy 5–15 minutes
  1. Open fridge and ensure vents are not blocked by food
  2. Rearrange items to allow air circulation
  3. Check for ice buildup around vents and defrost if present

Test evaporator/condenser fans

Advanced 30–90 minutes
Tools Needed: screwdriver, multimeter
  1. Unplug fridge and access evaporator fan
  2. Attempt to spin fan blades manually to see if stalled
  3. Use multimeter to check continuity
  4. Replace fan motor if faulty
⚠️ Safety First: Unplug appliance before accessing components

Professional Repairs

Replace start relay or compressor

Estimated Cost: $150 - $600+

Replace temperature control thermostat/thermistor

Estimated Cost: $80 - $200

Condenser or evaporator fan motor replacement

Estimated Cost: $80 - $250

When to Call a Professional

Compressor not running or overheating
Unusual loud noises from compressor or fans
Signs of refrigerant leak (hissing, oily residue)
Electrical issues or control board faults

Preventive Maintenance

  • Clean condenser coils: Loss of cooling efficiency due to dust buildup
    Frequency: 6–12 months
  • Check door seals regularly: Cold air leakage which burdens cooling system
    Frequency: monthly

Frequently Asked Questions

Why is my Kenmore Refrigerator lights always on, not cooling?
Common causes include dirty condenser coils, faulty evaporator or condenser fans, and obstructed airflow.
How do I fix Kenmore Refrigerator lights always on, not cooling myself?
Clean the condenser coils, ensure internal airflow is clear, and test fan functionality.
How much does it cost to fix lights always on, not cooling?
Professional repairs can range from $80 for a thermostat replacement to over $600 for a compressor.
When should I call a technician for lights always on, not cooling?
Call a technician if DIY solutions fail or if you're uncomfortable with advanced troubleshooting.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

75%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Faulty main control board causing lights to stay on and preventing cooling
  • Defective door switch that fails to turn off lights and disrupts cooling
  • Overheating bulbs leading to malfunction and potential short circuit

User Suggested Solutions

  1. Replace the main control board. Disconnect power, remove the back panel, unscrew the old board, and install the new one. Reconnect power and test the refrigerator.

  2. Check and replace the door switch. Open the refrigerator door, locate the switch, test it with a multimeter, and replace if defective.

  3. Replace the light bulbs with appropriate wattage to prevent overheating. Ensure the bulbs are compatible with the refrigerator's specifications.

Analysis based on 1 community discussions
View Sources

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

  1. Kenmore Elite 795.77569600 Refrigerator Lights Always Turn O...

Community Discussions

Refrigerator lights always turn on, bulbs get extremely hot, fridge does not cool with bulbs in

The main board was the issue; there was a recall related to this problem.

Pro needed View on Reddit →

Source: Reddit r/appliancerepair

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