E17
Roca
Configuration / Parameter Fault
Furnace shows sensor calibration or configuration error after board replacement or reset
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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 settings on PCB, Wrong parameter programming for Roca furnace model, Incompatible replacement board, Corrupted EEPROM
How to Fix / Troubleshooting
Safety first: Disconnect power before adjusting any internal switches or jumpers.
- Verify model settings: Compare the DIP switch or jumper positions on the control board with the Roca installation manual for your exact model and gas type.
- Check parameter menu: Enter the installer menu (see manual) and confirm key parameters such as maximum power, pump mode, and sensor configuration are correctly set.
- Factory reset (if available): Perform a factory reset of the control parameters following Roca’s procedure, then re-enter required settings.
- Board compatibility: Ensure the replacement PCB part number matches the original and is approved for your furnace model.
Warning: Incorrect configuration can cause unsafe operation. If unsure, have a Roca-authorized technician program the board.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board (PCB)
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