E05
Bosch
Control Module / EEPROM Fault
Bosch dryer shows E05 and may not start or may stop shortly after starting.
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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
Corrupted control board firmware, Failed main control PCB, Power surge damage, Loose control board connectors
How to Fix / Troubleshooting
Safety first: Unplug the dryer before removing any panels.
- Power reset: Disconnect power for at least 5 minutes to allow the control to fully discharge. Reconnect and try a short timed cycle.
- Check supply voltage: Ensure the dryer is connected to a properly grounded outlet with correct voltage. Avoid extension cords.
- Inspect control connections: Remove the top panel and control console as needed. Verify all harness connectors to the main control board are fully seated and free of corrosion or burn marks.
- Look for board damage: Visually inspect the PCB for burnt components, bulging capacitors, or cracked solder joints.
If E05 persists, the main control board likely requires replacement and programming with Bosch-specific firmware; this is typically a technician-level repair.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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