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Service codes
displayed in con-
junction with the
digital gas control
option
Displayed Service
The following abbreviations are used for the service codes shown in conjunction with cold
codes in conjunc-
wire-feed units:
tion with cold
KD
wire-feed unit
PPU
vDmin
vDmax = maximum wire feed speed
= Cold wire-feed unit
= Push-pull unit
= minimum wire feed speed
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
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
179
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Table of Contents
Troubleshooting
