Rectifying faults
Machine faults (error messages)
099-002128-EW501
26.01.2022
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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 dea-
ler.
7.1 Machine faults (error messages)
• Document machine errors and inform service staff as necessary.
The following operating states are signalled when the machine is running:
Signal light status
Potential cause
Remedy
Lit
Normal operating status
The supply voltage is present, and
the machine is switched on
-
Flashes
Mains overvoltage
The supply voltage is too high (e.g.,
during generator operation)
Check the mains supply voltage
and correct it if necessary (re-
place the generator when neces-
sary)
VRD
Lit
(Only for
machine variant
VRD)
Before welding
-
During TIG welding
-
During MMA welding
Switch off the machine and
contact Service.
VRD
Not lit
(Only for
machine variant
VRD)
Before welding
The signal light does not come on
before welding.
Switch off the machine and
contact Service.
During TIG welding
Switch off the machine and
contact Service.
During MMA welding
-
Lit
Excess temperature
Machine duty cycle has been excee-
ded
Place the welding torch /
electrode holder on an insulated
surface and allow the machine to
cool while still switched on.
Key
Normal operating status
Fault state
