e19
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Bosch · Dishwashers
Heat exchanger / recirculation valve fault
Quick Answer
Error code E19 on your Bosch Dishwashers means: Heat exchanger / recirculation valve fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the dishwasher and unplug it.
2
This error primarily occurs on European models with cold water supply at inlet.
3
Examine the heat exchanger for visible malfunctions or damage.
4
Check wiring connections to the recirculation valve.
5
Contact a Bosch-certified technician for diagnosis and repair.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Recirculation valve
Heat exchanger
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