E15
De Dietrich Main Control Board Communication or Firmware Fault

E15 displayed, unit beeps and will not start, internal self-test fails

Advertisements

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.

Advertisements

Possible Causes

Corrupted control firmware, Failed communication between display PCB and main PCB, Loose data harness, Defective main control board

How to Fix / Troubleshooting

Safety first: Unplug the ice maker before removing the control panel or top cover.

Control system checks:

  • Power reset: Disconnect power for at least 10 minutes to allow capacitors to discharge, then reconnect and see if the error clears.
  • Inspect control connections: Remove the front control panel or top cover to access the display PCB and main control board. Reseat all ribbon cables and harness connectors.
  • Check for moisture: Look for signs of condensation or water ingress on the boards. Dry gently with a hair dryer on cool setting if needed.
  • Visual inspection: Examine the main PCB for burnt components, cracked solder joints, or corrosion.

Important: If E15 persists after reseating connectors and power cycling, the control board may need replacement or firmware reprogramming. This is typically a job for an authorized De Dietrich service technician with access to the correct software and parts.

Advertisements

Repair Difficulty

Hard 4/5

Required Part

Main Control Board
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements