E17
IBC
Configuration / Parameter Fault
Boiler shows E17; may be associated with sensor calibration or parameter error.
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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
Incorrect DIP switch or jumper settings, Corrupted control parameters, Incompatible replacement board, Unauthorized parameter changes
How to Fix / Troubleshooting
Safety: Disconnect power before adjusting any internal switches.
- Verify model settings: Compare DIP switch or jumper positions on the control board with the IBC installation manual for your exact model and gas type.
- Reset to factory defaults: If the menu allows, perform a parameter reset to factory settings, then re-enter any required custom settings (curves, setpoints).
- Check for recent changes: If a board was recently replaced, confirm it is the correct part number for your boiler.
If E17 persists, the control board firmware or hardware may be faulty and should be evaluated by a qualified technician with access to IBC documentation.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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