40
Service codes in conjunction with the cold wire feed-
er and digital gas control option
Service codes
displayed in con-
junction with the
cold wire feeder
EFd | xx.x
Cause: Fault in the wire feed system (overcurrent in wire-feed unit drive)
Remedy: Arrange the hosepack in as straight a line as possible; check that there are
no kinks or dirt in the inner liner; check the contact pressure on the 2-roller (or
4-roller) drive
Cause: Wire-feed unit motor is sticking or defective
Remedy: Check or replace the wire-feed unit motor
EFd | 8.1
Cause: Fault in the wire feed system (overcurrent in wire-feed unit drive)
Remedy: Arrange the hosepack in as straight a line as possible; check that there are
no kinks or dirt in the inner liner; check the contact pressure on the 2-roller (or
4-roller) drive
Cause: Wire-feed unit motor is sticking or defective
Remedy: Check or replace the wire-feed unit motor
EFd | 8.2
Cause: Fault in the wire feed system (overcurrent in wire-feed unit drive)
Remedy: Arrange the hosepack in as straight a line as possible; check that there are
no kinks or dirt in the inner liner; check the contact pressure on the 2-roller (or
4-roller) drive
EFd | 9.1
Cause: The external supply voltage has dropped below the tolerance range
Remedy: Check the external supply voltage
Cause: Wire-feed unit motor is sticking or defective
Remedy: Check or replace the wire-feed unit motor
EFd | 9.2
Cause: The external supply voltage has exceeded the upper limit of the tolerance
range
Remedy: Check the external supply voltage
EFd | 12.1
Cause: No actual rotational speed value from the wire-feed unit motor
Remedy: Check the actual-value pick-up and the cable connections to and from it, and
replace if necessary
EFd | 12.2
Cause: No actual value rotational speed from the push-pull unit motor
Remedy: Check the actual-value pick-up and the cable connections to and from it, and
replace if necessary
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