MasterTig 235ACDC, 325DC, 335ACDC
Operating manual - EN
Tip: For checking the correct welding settings, you can also use Weld Assist.
Varying welding performance
• Check that the welding torch is physically intact and the nozzle is clear of any obstructions.
• Check that the welding torch is not overheating.
• Check that the earth return clamp is properly attached to a clean surface of the workpiece.
5.1 Error codes
Error
code
Error descrip-
tion
Possible reason Proposed action
1 Power source
not calibrated
Power source calibration has been lost. Restart the power source. If problem persists, contact
Kemppi service. Note: The equipment operation is limited
when this error occurs.
2 Too low
mains voltage
Voltage in mains network is too low. Restart the power source. If problem persists, contact
Kemppi service.
3 Too high
mains voltage
Voltage in mains network is too high. Restart the power source. If problem persists, contact
Kemppi service.
4 Power source
is overheated
Too long welding session with high power. Do not shut down, let the fans cool the machine. If fans are
not running, contact Kemppi service.
17 Phase is miss-
ing from
mains supply
One or more phases are missing from the
mains supply.
Check the mains cable and its connectors. Check the
voltage of mains supply.
20 Power source
cooling fail-
ure
Cooling capacity is reduced in the power
source.
Clean the filters and clear any dirt from the cooling channel.
Check that the cooling fans are running. If not, contact
Kemppi service.
24 Cooling liquid
overheated
Too long welding session with high power or
high ambient temperature.
Do not turn off the cooler. Let the liquid circulate untilthe
fans cool it down. If fans are not running, contact Kemppi
service.
26 Cooling liquid
not cir-
culating
No cooling liquid or circulation is blocked. Check the liquid level in the cooler. Check hoses and con-
nectors for blockage.
27 Cooler not
found
Cooling is turned on in the settings menu, but
cooler is not connected to power source or
cabling is faulty.
Check the cooler connections. Ensure that the cooling is
turned off in the settings menu, if the cooler is not in use.
34 Unknown
welding load
An unknown load connected to DIX con-
nectors.
Remove any unintended resistiveload connected to the
welding equipment and restart the power source.
35 Too high
mains current
Current drawn from the mains is too high. Reduce welding power.
36 DC-link under-
voltage
DC-link voltage is too low. Check the mains voltage and/or the supply cable.
37 DC-link over-
voltage
DC-link voltage is too high. Check the mains voltage.
38 Mains voltage
too high or
too low
Mains voltage is too high or too low. Check the mains voltage and/or the supply cable.
© Kemppi
57/77 1920900 / 1939
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