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Castor
Washing Machine
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code E91 Castor

Symptom / Description

Communication error between user interface and main control board.

Root Cause

A faulty connection or wiring harness between the main PCB and the display/user interface board, or one of the boards has failed.

Repair Instructions

UNLOCKED

Disconnect the appliance from power. Check the wiring and connectors between the two control boards for secure connections. If connections are good, one of the boards may need replacement.

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