⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: E30 Difficulty: Hard
Problem: Voltage is too high.
How to Fix E30 Error (Step-by-Step)
- Turn off the circuit breaker for the dishwasher to completely cut off the power.
- Slide the dishwasher out from its installation spot to get to the control board, usually located in the door panel or at the base.
- Take a clear picture of the wire connections before you start, for easy reference.
- Carefully unplug all the wires connected to the control board.
- Remove the screws that are holding the control board in place and take out the old board.
- Put the new control board in the same spot and secure it with the screws.
- Reconnect all the wires by looking at the picture you took, put the dishwasher back, and turn the power on.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Next Steps and Parts
Recommended Replacement Part
Verified Compatible Alternatives:
- 00438026
- 00622058
- 10028963
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.
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