+ 40 vdc
Take the voltage reading between Pin 1 and Pin 5 of CN2 on the power supply
board.
YES
Replace the control board.
YES
End of procedure.
NO
Go to D
NO
Go to D
D
Are the power supply board and the control board connected properly?
YES
Replace the power supply board.
Is the problem resolved?
YES
End of procedure.
NO
Go to the next step listed below.
NO
Reseat the power supply board, the control board, and the connection between
the two boards.
Is the problem resolved?
YES
End of procedure.
NO
Go to E.
E
Is the carriage cable properly inserted into CN2 of the control board?
NO
Properly insert the cable.
Is the problem resolved?
YES
End of procedure.
NO
Go to the next step listed below.
YES
Replace the control board.
Is the problem resolved?
YES
End of procedure.
NO
Replace the space motor.
Is the problem resolved?
