Castolin Eutectic POWERmax Mode D'emploi page 22

Error
No welding current
Mains switch is ON, indicator for
selected operating mode is lit up,
malfunction indicator flashes
No welding current
After the machine is switched on, all
indicators are permanently lit up
(longer than 2 seconds)
Poor ignition characteristics in rod-
electrode welding
Arc sometimes breaks during
welding
Rod-electrode sometimes sticks
Mains fuse and/or safety cut-out has
tripped
Loud bang
in some cases the mains fuse or auto-
matic circuit-breaker is tripped as well
Poor welding properties (heavy
spattering)
TIG welding
Tungsten electrode melts off; tungsten
inclusions in the base metal during
ignition
Cause
Fault in power module
Short-circuit (secondary side)
Wrong welding process selected
Arc-burning voltage of electrode too high
(e.g. grooved electrode)
Mains undervoltage
Wrong welding process selected
"Arc-force" parameter (Rod-electrode
welding) or "Characteristic" parameter
(Rod-electrode welding with CEL-
electrode) is set to too low a value
Mains fuse too weak; incorrect safety
cut-out
Mains fuse is tripped under no-load con-
ditions
Varistor (overvoltage protector) has been
tripped; mains voltage error
Incorrect electrode polarity
Poor earth connection
Unfavourable set-up settings for the
selected welding process
Incorrect electrode polarity
Wrong shielding gas, no shielding gas
Wrong welding process selected
22
Remedy
Switch machine off and back on again;
if the error keeps on occurring - send
machine in for service
Stop the short-circuit (disconnect the
rod-electrode cable or earthing cable
from the current socket with the bayonet
latch. If the error keeps on occurring -
send machine in for service
Select the welding process "Rod-
electrode welding" or "Rod-electrode
welding with CEL-electrode"
If possible, use different type of electrode
or a machine capable of delivering
greater welding current
Measure mains voltage on machine,
increase the cross-sectional area of the
supply lead
Select the "TIG welding" process
In the set-up menu, set the "Arc-
force" parameter (or "Characteristic"
parameter) to a higher value
Insert correct fuse (see technical data)
Machine should be serviced
Replace the varistor - may only be done
by skilled, trained personnel - otherwise
send machine to After-Sales Service
Reverse the polarity - follow the manu-
facturer´s instructions
Fix earth clamp directly onto the work-
piece
In the set-up menu, optimise the settings
for the selected welding process
Connect TIG welding torch to "- pole"
Use inert shielding gas (argon)
Select the "TIG welding" process