E90
Insignia Configuration / Communication Error

Washer displays E90; multiple functions may be affected, indicating a configuration or communication issue.

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

Incorrect or corrupted control board configuration, Faulty main control board, Incompatible replacement board installed, Loose internal communication harness

How to Fix / Troubleshooting

Safety first: Unplug the washer before accessing electronics.

  • Power reset: Disconnect power for 10–15 minutes, then reconnect and attempt to enter diagnostic or service mode if available for your Insignia model.
  • Check internal harnesses: Inspect all connectors between main board, UI board, and any secondary boards. Reseat firmly.
  • Verify board part number: If a board was recently replaced, confirm it matches the exact Insignia model and revision.
  • Professional service: E90 often requires reprogramming or replacing the control board using manufacturer tools; contact an authorized service provider.
Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Main Control Board
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements