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Service Guide ML395/395C
Chapter 4 Failure & Repair Analysis
RAP 02: Space Error (ALARM 5B)
START
Is the carriage assembly binding or jammed?
YES Check around the space motor mechanism for any obstructions. Then, remove the cause of
the carriage jam.
NO Replace the program and slave ROMs.
Has the problem been resolved?
YES End of procedure.
NO Is fuse F1 on the control board blown?
YES Replace fuse F1
NO Go to A.
Has the problem been resolved?
YES End of procedure.
NO Go to A.
A
Is +38Vdc present on the control board? Check on both ends of the capacitor C2.
YES Are cables CN1 and CN5 on the control board correctly connected?
YES Replace the control board.
NO Connect them correctly.
Has the problem been resolved?
YES End of procedure.
NO Replace the space motor.
NO Are cables CN3 and CN7 on the control board correctly connected?
YES Replace the power supply unit or connection cable.
NO Connect them correctly.
Summary of Contents for Microline ML395C
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