Rectifying faults
Error messages (power source)
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099-002032-EW501
15.10.2018
7
Rectifying faults
All products are subject to rigorous production checks and final checks. If, despite this, something fails to
work at any time, please check the product using the following flowchart. If none of the fault rectification
procedures described leads to the correct functioning of the product, please inform your authorised
dealer.
7.1
Error messages (power source)
A welding machine error is indicated by the collective fault signal lamp (A1) lighting up and an
error code (see table) being displayed in the machine control display. In the event of a machine
error, the power unit shuts down.
• If multiple errors occur, these are displayed in succession.
• Document machine errors and inform service staff as necessary.
Error message
Possible cause
Remedy
"E 1"
Electronics error
Switch the machine off and back on again. If the
error persists, inform the service dept.
"E 2"
Temperature error
Allow machine to cool down.
"E 3"
Electronics error
See “E 1”.
"E 4"
Electronics error
See “E 1”.
"E 5"
Electronics error
See “E 1”.
"E 6"
Balancing error in voltage
recording
Switch off the machine, place the electrode holder
in an insulated position and switch the machine
back on. If the error persists, inform the service
dept.
"E 7"
Balancing error in current
recording
"E 8"
Error in one of the electronics
supply voltages
Switch the machine off and back on again. If the
error persists, inform the service dept.
"E 9"
Mains undervoltage
Switch off the machine and check the mains
voltage.
"E10"
Secondary excess voltage
Switch the machine off and back on again. If the
error persists, inform the service dept.
"E11"
Mains excess voltage
Switch off the machine and check the mains
voltage.
"E12"
Voltage reduction error (VRD)
Switch the machine off and back on again. If the
error persists, inform the service dept.
