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

Error Code d21 Ocean

Symptom / Description

Machine is unresponsive or displays error randomly.

Root Cause

Communication error between the main control board (PCB) and the display board.

Repair Instructions

UNLOCKED

Check the wiring harness connecting the main control board and the display module. Reseat connectors. If the error persists, one of the boards may be faulty.

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