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A: No.26 fault means the system does not output the test request (POU) of opening door in advance or creeping leveling or door lock short circuit connection, but receives feedback signal (POF)
The intelligent machine does not enable the function of opening door in advance or creeping leveling or door lock short-circuit test function, but there may be wiring problems on the EC-UCM circuit. The intelligent machine detects the action of POF signal and checks the POF signal circuit.
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