Bosch Dishwasher Error Code E32: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
Error Code
E32
Brand
Bosch
Product Type
dishwasher
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code E32 on your Bosch dishwasher means the heat pump has detected high pressure, which can prevent the dishwasher from draining properly and may cause overheating. This is often due to a clogged filter, blocked drain hose, or a failing heat pump. Follow these steps to diagnose and resolve the issue safely.
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Tools You'll Need

How to Fix Error Code E32

  1. Safety First: Unplug the Dishwasher

    Electric shock hazard. Always unplug before servicing.
  2. Check and Clean the Filters

  3. Inspect the Drain Hose for Kinks or Clogs

  4. Test the Heat Pump (Continuity Check)

    Do not touch electrical components with wet hands.
  5. Replace the Heat Pump if Necessary

  6. Reassemble and Test

Parts You May Need

Dishwasher heat pump
Check Price on Amazon
Dishwasher heat pump
Check Price on Amazon
Dishwasher heat pump
Check Price on Amazon
Dishwasher heat pump
Check Price on Amazon
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When to Call a Professional

If the error persists after cleaning filters, checking the drain hose, and testing the heat pump, the control board or wiring harness may be defective. A professional technician should diagnose and repair these components. Also, if you are uncomfortable with electrical testing, call a pro.

Frequently Asked Questions

What does E32 mean on a Bosch dishwasher?
E32 indicates a high pressure condition in the heat pump system, often caused by a clogged filter, blocked drain, or a failing heat pump.
How do I reset a Bosch dishwasher after E32?
To reset, unplug the dishwasher for 5 minutes, then plug it back in. Close the door and press the Power button. If the error remains, there is an underlying issue.
Can I still use my dishwasher with error E32?
No. Running the dishwasher with a high pressure heat pump can cause damage or overheating. It is best to troubleshoot and fix the problem first.
How much does it cost to fix Bosch error E32?
DIY cost is around $50-$150 for a replacement heat pump. Professional repair ranges from $150-$300, depending on labor rates.
Is error E32 covered under warranty?
Bosch dishwashers typically have a 1-year warranty. If your unit is still under warranty, contact Bosch support for free service.