Rectifying faults
Error messages (power source)
66
099-005542-EW501
24.03.2020
Category
Possible cause
Remedy
a) b) c)
15
Detection of wire feeder 2
Check cable connections
16
Error in open circuit voltage
reduction (VRD)
Inform Service.
17
Overcurrent detection on wire
feeder
Check ease of wire feeding
18
Error in tachometer generator
signal
Check the connection and particularly the
tachometer generator of the second wire
feeder (slave drive).
56
Mains phase failure
Check mains voltages
58
Short circuit
Check welding circuit for short circuit; put
down welding torch isolated
59
Machine incompatible
Check machine usage
60
Software update required
Inform Service.
Categories legend (resetting the error)
a) The error message will disappear once the error has been rectified.
b) The error message can be reset by pressing a push-button:
Welding machine control
Push-button
RC1 / RC2
Expert
Expert 2.0 / Expert XQ 2.0
CarExpert / Progress (M3.11)
alpha Q / Concept / Basic / Basic S / Synergic / Sy-
nergic S / Progress (M3.71) / Picomig 355
not possible
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.
