Electrolux EI24ID50QS 24 in Built-In Dishwasher with IQ-Touch Controls 44 dBA iC0 Error Fix: Communication Error Between Boards

Error code iC0 on the Electrolux EI24ID50QS 24 in Built-In Dishwasher with IQ-Touch Controls 44 dBA means: Communication Error Between Boards. Communication failure between the main control board and the user interface (UI) board. The two boards cannot exchange data properly. Check the ribbon cable or wire harness between the boards for damage, loose connections, or corrosion. Reseat all connectors firmly. Disconnect power for 5 minutes and restore to attempt a reset. On Electrolux dishwashers, the UI board is typically mounted inside the door panel and the main board is at the bottom. Inspect both boards for moisture damage, burned traces, or component failure. Replace the main control board if the ribbon cable is intact.

The most successful fix is "Replace Main Control Board and Inspect UI Board" (hard difficulty, ~60 minutes). Estimated DIY cost: $0-$15. HomeMD has 2 community-ranked fixes for this error.

This error is rated critical severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Replace Main Control Board and Inspect UI Board") is rated hard difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Needle-nose pliers.

DIY cost: $0-$15. Professional repair typically costs $250-$350. Many homeowners save money by trying the top-ranked community fix first.

The Electrolux EI24ID50QS 24 in Built-In Dishwasher with IQ-Touch Controls 44 dBA has 8 other known error codes, including: ER:01 (Wash Motor Stuck or Locked), i10 (Water Supply Issue — Not Filling), i20 (Drain Issue — Not Draining Properly), i30 (Leak Detected — Anti-Flood Activated), i50 (Drain Pump Short or Fault), and 3 more.