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Section 5 – maintenance, 1 trouble shooting – DoorKing PC Compatible Multi-Door Access Controller 1838 User Manual

Page 41

Section 5 – maintenance, 1 trouble shooting | DoorKing PC Compatible Multi-Door Access Controller 1838 User Manual | Page 41 / 49 Section 5 – maintenance, 1 trouble shooting | DoorKing PC Compatible Multi-Door Access Controller 1838 User Manual | Page 41 / 49