⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: I56 Difficulty: Hard
Problem: DCLink overvoltage.
How to Fix I56 Error (Step-by-Step)
- Turn off the dishwasher’s power supply at the circuit breaker to prevent electrical shock.
- Remove the kickplate at the bottom of the dishwasher to access the electronic components.
- Carefully examine the wiring connected to the main control board. Look for any loose plugs, frayed wires, or signs of heat damage.
- Ensure all connectors are securely plugged into the control board.
- An overvoltage error typically points to a critical fault within the main control board.
- The most reliable solution is to replace the control board (Part #154750503, #154807601, or #154663004).
- After installing the new board and reconnecting all wires, reassemble the access panel and restore power to test the dishwasher.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Recommended Replacement Part
Verified Compatible Alternatives:
- 154750503
- 154807601
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
Most DIY parts are $50–$250. If you have a quote, use the total.
More options (for a better recommendation)
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Electrolux error codes: Electrolux Error Codes


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