E24
Weishaupt
Control Parameter / EEPROM Fault
Boiler shows E24, internal memory or parameter error on control unit.
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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 parameters, Power surge affecting memory, Faulty main control board, Incorrect parameter setting during commissioning
How to Fix / Troubleshooting
Safety first: Isolate power before removing or replacing control boards.
- Power reset: Turn off the boiler at the main switch for at least 30 seconds, then restore power and see if the error clears.
- Reload parameters: If you have a Weishaupt service tool or parameter backup, reload the factory or commissioned settings according to the manual.
- Check supply quality: Ensure stable mains voltage and consider surge protection if power quality is poor.
When to call a professional: Control board replacement or parameter programming must be done by a trained technician with the correct Weishaupt tools.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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