Bosch Dishwasher Error E19

⚡ Quick Answer: The Bosch dishwasher E19 error signifies a malfunction in the internal valve or dispenser mechanism, particularly linked to the heat exchanger valve. ... ✅ DIY Fixable

What Does Error E19 Mean?

The Bosch dishwasher E19 error signifies a malfunction in the internal valve or dispenser mechanism, particularly linked to the heat exchanger valve. This error typically halts the dishwasher mid-cycle, preventing it from completing the wash. Users may also notice unusual sounds from the pump area and potential issues with water and heat distribution during the wash cycle. Immediate action is advised to prevent further damage.

Common Symptoms:

  • Dishwasher stops mid‑cycle with E19 displayed
  • Dishwasher fails to complete cycle
  • Potential issues with water/heat distribution during wash

Possible Causes

  • Internal valve (heat exchanger/recirculation valve) malfunction (high)

How to Fix Error E19

DIY Fix Basic checks before service call

  1. Immediately stop the dishwasher and close the water supply
  2. Power off the dishwasher via its main switch or plug
  3. Check for any visible water leaks at the base or door seals

Technician Only Professional diagnosis and valve replacement

  1. Disconnect mains and water supply
  2. Access internal heat exchanger/recirculation valve assembly
  3. Inspect and test the valve or dispenser mechanism for proper function
  4. Replace the defective valve/dispenser component if required
  5. Reassemble and test dishwasher operations

Parts needed: Recirculation/heat exchanger valve, Dispenser assembly

🛑 When to Call a Pro:
  • If error persists after stopping and powering off
  • If there are signs of water leakage
  • If user observes unusual noises indicative of hardware malfunction

Technical Specifications

wattage 50W
component Water Inlet Valve
resistance 10-30 ohms
part_number 00420000
voltage_rating 120V AC

Common Questions

What does E19 error mean on Bosch dishwasher?

E19 indicates a malfunction in the internal valve or dispenser, particularly the heat exchanger valve, causing the dishwasher to stop mid-cycle.

Can I fix Bosch dishwasher E19 error myself?

Yes, you can perform basic checks like stopping the dishwasher, closing the water supply, and looking for visible leaks.

How much does it cost to fix E19 error?

Repair costs for the E19 error typically range from $150 to $400, depending on parts and labor.

When should I call a technician for E19?

Call a technician if the error persists after basic checks, if there are signs of water leakage, or if you hear unusual noises.

Sources & References

Data last verified: 2026-01-16

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