CEBORA S.p.A. 10
3.3.2 - The start button produces no effect.
START COMMAND TEST.
Correct?
Control board (4), connector J6 terminals 1 and 2 = approximately 24 Vac, with start button
on torch released; 0 Vac, (contact closed) with button pressed.
YES
NO
♦ Check the wiring between J6 control board (4), terminal board (31), torch cable,
nozzle guard on the torch and start button.
♦ Make sure the nozzle protection and torch button are correctly assembled and in
good working order. If defective or showing signs of wear, replace them.
♦ Check integrity of fuse F2 on control board (4). If interrupted, replace it and make
sure that there is perfect isolation between the conductors of the start button and
those of the electrode and nozzle in the torch cable. If isolation is reduced, replace
the torch cable or the complete torch. Any loss of isolation between the torch
cable conductors may damage the control board (4).
♦ Perform CONTROL BOARD (4) POWER SUPPLY TEST, par. 3.3.1.
♦ Replace control board (4).
♦ Perform CONTROL BOARD (4) POWER SUPPLY TEST, par. 3.3.1.
♦ Replace control board (4).
3.302.170 06/07/04