THE ART OF WELDING
P6
PN-0509076 Rev. 16 39-92
Detection of the welding head4. 4. 10.
If the head connected to the power source does not correspond with the welding procedure selected, the cycle
will not start.
Select the correct WP or change the head appropriately to enable the welding cycle to start.
Detection of the «closed head» position4. 4. 11.
If an old type of head is used (MW, MU III, ...), the power source starts to strike an arc provided that the head
is in the «open head» position. If this is not so it will not start the cycle.
If there is any douBT make a test. No damage will occur.
With the various detection functions not operating, the operator has to pay more attention.