Bosch Refrigerator: burning smell

Professional Repair Guide

What is this symptom?

If you notice a burning smell coming from your Bosch refrigerator, it could indicate a serious issue. This acrid odor may arise from the compressor or within the fridge compartment, signaling potential overheating or electrical problems. Common causes include a failed compressor start relay, loose wiring, or faulty defrost heater components, each requiring immediate attention to prevent further damage.

Urgency: High

Possible Causes

Failed compressor start relay / start device causing overheating or electrical burn

How to Identify: Burning smell near compressor area, fridge not cooling or compressor struggling to start; burnt scent on start relay

Part: Compressor start relay / start device

Loose or damaged wiring or connectors

How to Identify: Burning smell with visible wire damage, intermittent operation, or electrical arcing signs

Part: Internal wiring/connectors

Faulty defrost heater or wires contacting heater

How to Identify: Burning smell from freezer area, possible frost buildup, signs of melting on heater or wires

Part: Defrost heater assembly

Preventive Maintenance

  • Clean condenser coils: Overheating-related smells
    Frequency: annually
  • Test door switch periodically: Interior light overheating
    Frequency: semi-annually

Frequently Asked Questions

Why is my Bosch Refrigerator burning smell?
The burning smell may be due to a failed compressor start relay, loose wiring, or a faulty defrost heater.
How do I fix Bosch Refrigerator burning smell myself?
Unfortunately, there are no DIY solutions for this issue; professional help is recommended.
How much does it cost to fix burning smell?
Repair costs can vary based on the issue but expect to invest in professional services for electrical repairs.
When should I call a technician for burning smell?
You should call a technician immediately, as the burning smell indicates a high urgency for repair.

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

65%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Overheating of the ice maker motor due to excessive ice buildup
  • Worn or damaged wiring in the ice maker assembly
  • Malfunctioning compressor or condenser fan motor causing overheating

User Suggested Solutions

  1. Unplug the refrigerator, remove the ice maker, and check for ice buildup. Clear any blockages and ensure the motor is free to operate. Reassemble and plug the unit back in.

  2. Inspect the wiring of the ice maker for any signs of wear or damage. If damaged, replace the wiring harness. Ensure all connections are secure.

  3. Check the compressor and condenser fan motor for proper operation. If the fan is not running or the compressor is overheating, consider replacing the faulty component.

Analysis based on 1 community discussions
View Sources

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

  1. Bosch refrigerator burning smell, b22ct80SNS01

Community Discussions

Burning smell from ice maker area

User turned off the ice machine to address the burning smell.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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