E19
Bosch
Internal Valve / Diverter Fault
Washer-dryer shows E19, often related to internal valve or circulation issues
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty circulation or diverter valve, Blocked internal water path, Wiring issue to valve, Control board valve driver failure
How to Fix / Troubleshooting
Safety first: Disconnect power and water supply before opening the cabinet.
- 1. Identify valve type: Some Bosch washer-dryers use internal valves to direct water between wash and dry circuits. Consult the service manual or parts diagram for your model.
- 2. Inspect wiring: Locate the suspect valve and check the wiring harness and connector for damage or loose contacts.
- 3. Check for blockages: Inspect connected hoses and manifolds for obstructions or kinks that could prevent proper flow.
- 4. Replace faulty valve: If the valve coil is open-circuit or the mechanism is jammed, install a new Bosch valve assembly.
- 5. Control board check: If the valve tests good but E19 remains, the control board output may be defective and should be evaluated by a professional.
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Repair Difficulty
Hard
4/5
Required Part
Internal Diverter Valve
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