E13
Bosch
Condensate Pump / Water Level Fault
Bosch condensation or heat pump dryer shows E13 and may stop with water in the base.
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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
Blocked condensate pump, Clogged drain hose, Failed condensate pump motor, Faulty water level sensor or float switch
How to Fix / Troubleshooting
Safety first: Unplug the dryer. Be prepared for water spillage when opening the base.
- Check water container: Empty the condensate water tank (if your model has one) and ensure it is seated correctly.
- Inspect base for water: Remove the lower front panel or side panel to access the base tray. Mop up any standing water.
- Clean pump and hoses: Locate the condensate pump. Remove and clean the pump filter and hoses to clear lint or debris.
- Test pump operation: With the dryer reassembled and powered, start a cycle and listen for the pump. If it does not run when water is present, test for voltage at the pump and replace the pump if faulty.
If E13 persists, the water level sensor or float switch may be defective and should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Condensate Pump
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