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11 Troubleshooting
11 Troubleshooting
Fault
No gas during welding • Gas supply closed
Gas flow does not
change in proportion to
the welding current
Gas consumption is
higher than the set
value
Too little gas during
welding
Too much gas during
welding
Troubleshooting
Tab. 9
EN - 14
NOTICE
• If the measures described below are not successful, please consult your
dealer or the manufacturer.
• Please also consult the operating instructions for the welding
components, such as power source, welding torch system.
1 Switch off the gas monitoring system EWR RPO/BASIC on the ON/OFF
switch.
2 The gas monitoring system EWR RPO/BASIC remains connection to
power and gas.
3 No control diode or only the red one is lit.
Cause
• Shunt not connected
• Hose, connection has a leak
• EWR has a leak
• Wrong setting
• Wrong setting
EWR RPO/BASIC
Solution
• Open the gas supply
• Connect shunt
• Seal and replace it, if necessary
• Disconnect gas supply from EWR
and connect it directly to the gas
line of the welding unit.
• Reset unit
• Reset unit
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