BAL.0253.0 • 2017-04-07
EN - 13
EWR
11 Troubleshooting
10.1 Daily maintenance
• If necessary, clean the EWR with a dry cloth.
• Check the EWR, power supply, shunt and gas hoses daily for damage and
replace them, if necessary.
11 Troubleshooting
Please observe the attached ‘Warranty’ document. In the event of any doubts
and/or problems, please contact your retailer or the manufacturer.
DANGER
Risk of injury and device damage when handled by
unauthorised persons
Improper repair work and modifications to the product may lead to serious
injuries and damage to the device. The product warranty will be rendered
invalid if work is carried out on the product by unauthorised persons.
• Operating, maintenance, cleaning and repair work must only be carried
out by qualified personnel (in Germany, see TRBS 1203).
NOTICE
• Please also consult the operating instructions for the welding
components, such as power source, welding torch system.
Fault
Cause
Troubleshooting
No gas during welding
• Gas supply closed
• Open the gas supply
• Impurities in the EWR
• Apply compressed air with
max. 5 bar to the gas supply
line and then to the gas
discharge line.
(The EWR must be connected
to the power supply and
switched off for this purpose.)
Insufficient gas in the
process
• Additional control element or gas
limitation in the gas supply
• Remove the additional control
element or gas limitation in the
gas supply
Gas flow does not change
in proportion to the
welding current
• Shunt not connected
• Connect shunt
Tab. 8
Troubleshooting