Operation Manual
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A7 MIG Welder© Kemppi Oy 2018 1824
OPERATING MANUAL
10 UNSUPPORTED PROCESS
The power source does not support the requested process. The welding process is
unknown or from a dierent product range.
Error Replace the weld curve on the memory channel to one with a welding
process supported by the power source.
11 CUT-OFF CARD CONTROL ERROR
An error has occurred in the cur-o card control. The cut-o card connector is loose,
or the card is defective.
Critical error Switch o the power source. Check that the cut-o card connector is
correctly connected. Restart the power source. If the problem is not resolved,
switch o the power source and contact maintenance.
12 CHECK WELDING CABLE
The welding circuit is short-circuited.
Incorrect cabling, or
a defective cable, or
an in-line arc-fed MMA/TIG power source, whose (+) pole is connected to the weld
piece, is connected to the MIG/MAG power source outputs at the same time as MIG/
MAG is used, or
the arc-fed power source is defective.
Serious error Switch o the MIG/MAG power source. Check that the welding cables are
correctly connected. Disconnect the (+) cable of the arc-fed power source or
the entire arc-fed power source from the welding piece. Restart the MIG/MAG
power source. Contact the maintenance service if the error is not resolved.
5.2.2 Cooling unit errors
Code Description Severity Measures
27 COOLING UNIT ERROR
The cooling unit does not function properly, or coolant circulation is prevented, or
the cooling unit is not connected but has been congured ON in the system.
Serious error Switch the cooling unit OFF from the system setup when there is no cooling
unit in the system. Check coolant circulation. Switch o and restart the power
source. Contact the maintenance service if the error is not resolved.