Bosch Washing Machine: not heating

Professional Repair Guide

What is this symptom?

If your Bosch washing machine is not heating, you may notice that clothes come out cold even after selecting hot wash programs. This issue is often linked to a faulty heating element, which prevents the water from reaching the desired temperature during the wash cycle. Understanding the underlying causes and solutions can help restore your machine's performance.

Urgency: Medium

Important Tips for Bosch Models

  • Bosch machines may display E60–E69 error codes indicating heating circuit faults, typically tied to heating element, sensor, or wiring issues.

Possible Causes

Faulty heating element

How to Identify: Cold water after a hot wash cycle; continuity test with a multimeter shows no continuity on heater element; possibly E6x error codes on Bosch machines.

Part: Heating element

DIY Solutions

Check heating element continuity

Moderate 30-60 minutes
Tools Needed: multimeter, screwdrivers
  1. Unplug the washing machine from power and turn off water supply.
  2. Access the lower rear panel to locate the heating element.
  3. Disconnect wiring from the element and measure continuity with a multimeter.
  4. If no continuity, replace the heating element.
⚠️ Safety First: Ensure power is completely disconnected before accessing internals.

Professional Repairs

Replace heating element

Estimated Cost: $50 - $150

Replace thermistor/temperature sensor

Estimated Cost: $40 - $120

Control board diagnostics/repair

Estimated Cost: $150 - $400

When to Call a Professional

If internal component testing (element/sensor) indicates failure and part replacement is needed.
If error codes related to heating persist after basic checks.
If wiring or control board faults are suspected.

Preventive Maintenance

  • Run maintenance wash and descaling annually: Mineral buildup on heating element and sensors
    Frequency: annually

Frequently Asked Questions

Why is my Bosch Washing Machine not heating?
The most common cause is a faulty heating element, which prevents water from heating.
How do I fix Bosch Washing Machine not heating myself?
Check the heating element's continuity with a multimeter after accessing the lower rear panel.
How much does it cost to fix not heating?
Professional repairs can range from $50 for a heating element to $400 for control board diagnostics.
When should I call a technician for not heating?
If DIY solutions don't resolve the issue or if you're unsure, it's best to call a technician.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

60%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Faulty heating element
  • Defective temperature sensor (thermistor)
  • Issues with the control board

User Suggested Solutions

  1. Test and replace the heating element. Disconnect the washing machine from the power supply, access the heating element, use a multimeter to check for continuity. If faulty, replace it with a new one.

  2. Check and replace the temperature sensor. Disconnect the machine, locate the thermistor, test it for resistance with a multimeter. If it’s out of specification, replace it.

  3. Inspect the control board for any visible damage or burnt components. If issues are found, consider replacing the control board.

Analysis based on 1 community discussions
View Sources

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

  1. Something melted in washing machine heating element, what co...

Community Discussions

depositing bits of plastic on clothes, tripping circuit with hot water

The rear spin tub support is broken, causing the tub to abrade the outer tub.

Pro needed View on Reddit →

Source: Reddit r/appliancerepair

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