EWM alpha Q 551 Operating Instructions Manual page 40

Rectifying faults
Error messages (power source)
Legend for categories (error reset)
a) The error message will disappear once the error has been rectified.
b) The error message can be reset by pressing a key button:
Welding machine control
RC1 / RC2
Expert
CarExpert / Progress (M3.11)
alpha Q / Concept / Basic / Basic S / Synergic /
Synergic S / Progress (M3.71) Picomig 305
c) The error message can only be reset by switching the machine off and on again.
The shielding gas error (Err 6) can be reset by pressing the "Welding parameters" key button.
40
Key button
not possible
099-005130-EW501
07.03.2013