Dishwasher displays E7; unit may not heat or dry properly.

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.

Possible Causes

Failed heater relay on main control, Shorted heater drawing excessive current, Wiring short to ground, Faulty temperature feedback

Safety first: Disconnect power before working on the control board or heater circuit.

Inspect heater and wiring: Look for burned or melted wires at the heater terminals. Repair wiring and replace the heater if shorted.
Test heater resistance: Verify it is within GE Café specifications.
Inspect main control board: Look for burned relay contacts or board damage. Replace the main control board if defective.
Verify sensor operation: Ensure the thermistor is functioning correctly to prevent false errors.

Professional Required 5/5

GE Café Dishwasher Main Control Board

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