179
EN
Service codes
displayed in con-
junction with the
digital gas control
option
Displayed Service
codes in conjunc-
tion with cold
wire-feed unit
Cause: The gas watchdog option has de-
tected that there is no gas pres-
sure
Remedy: Check protective gas shield sup-
ply, connect new gas cylinders or
gas cylinder valves/open gas
pressure regulator
The following abbreviations are used for the service codes shown in conjunction with cold
wire-feed units:
KD = Cold wire-feed unit
PPU = Push-pull unit
vDmin = minimum wire feed speed
vDmax = maximum wire feed speed
Cause: The external supply voltage has
dropped below the tolerance limit
Remedy: Check the external supply volt-
age
Cause: Wire-feed unit motor is sticking or
defective
Remedy: Check or replace the wire-feed
unit motor
Cause: The external supply voltage has
dropped below the tolerance limit
Remedy: Check the external supply volt-
age
Cause: No actual speed value from the
wire-feed unit motor
Remedy: Check actual value and leads, if
the error persists contact After-
Sales Service
Cause: No actual speed value from the
wire-feed unit motor
Remedy: Check actual value and leads, if
the error persists contact After-
Sales Service
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