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Service Guide ML393/ML393CPlus
Chapter 4 Failure Analysis
RAP 09: Malfunction of Operator Panel Switch
START
Is cable CN1 on the operator panel connected correctly?
NO Connect it correctly.
YES Is cable CN10 on the operator panel connected correctly?
NO Connect it correctly.
YES Replace the operator panel.
Has the problem been resolved?
YES End of procedure.
NO Replace the control board.
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