Rectifying faults
Error messages
94
099-005504-EW501
20.11.2015
7.2
Error messages
A welding machine error is indicated by an error code being displayed (see table) on the display
on the machine control.
In the event of a machine error, the power unit is shut down.
The display of possible error numbers depends on the machine version (interfaces/functions).
• Document machine errors and inform service staff as necessary.
• If multiple errors occur, these are displayed in succession.
Error
Category
Possible cause
Remedy
a)
b) c)
Error 1
(Ov.Vol)
-
-
x
Mains overvoltage
Check the mains voltages and compare with
the connection voltages of the welding
machine
Error 2
(Un.Vol)
-
-
x
Mains undervoltage
Error 3
(Temp)
x
-
-
Welding machine excess
temperature
Allow the machine to cool down (mains
switch to "1")
Error 4
(Water)
x
x
-
Low coolant level
Top off the coolant
Leak in the coolant circuit >
rectify the leak and top off the coolant
Coolant pump is not working > check excess
current trigger on air cooling unit
Error 5
(Wi.Spe)
x
-
-
Wire feeder/speedometer
error
Check the wire feeder
speedometer is not issuing a signal,
M3.51 defective > inform Service
Error 6
(gas)
x
-
-
Shielding gas error
Check shielding gas supply (for machines
with shielding gas monitoring)
Error 7
(Se.Vol)
-
-
x
Secondary excess voltage
Inverter error > inform Service
Error 8
(no PE)
-
-
x
Earth fault between welding
wire and earth line
Separate the connection between the
welding wire and casing or an earthed object
Error 9
(fast stop)
x
-
-
Fast cut-out
triggered by BUSINT X11 or
RINT X12
Rectify error on robot
Error 10
(no arc)
-
x
-
Arc break
triggered by BUSINT X11 or
RINT X12
Check wire feeding
Error 11
(no ign)
-
x
-
Ignition fault after 5 s
triggered by BUSINT X11 or
RINT X12
Check wire feeding
Error 14
(no DV)
-
x
-
Wire feeder not detected.
Control cable not connected.
Check cable connection
Incorrect ID numbers
assigned during operation
with multiple wire feeders.
Check assignment of ID numbers
Error 15
(DV2?)
-
x
-
Wire feeder 2 not detected.
Control cable not connected.
Check cable connection
Error 16
(VRD)
-
-
x
VRD (open circuit voltage
reduction error)
Inform Service
Error 18
(Wf.Sl.)
x
-
-
Auxiliary drive/
speedometer error
Check auxiliary drive
tachogenerator not issuing signals.
M3.51 defective > inform Service
Error 17
(WF. Ov.)
-
x
x
Wire feed mechanism
overcurrent detection
Check the wire feeding
