Fronius RCU 2000 Bedienungsanleitung Seite 20

(41)
(42)
(43)
(44)
20
"Electrode overload" indicator"
lights up when the cap at the tip of the tungsten electrode is overloa-
ded. This means that there is a risk of an excessively large cap being for-
med.
Causes
- The tungsten electrode does not have a large enough diameter
-
Main current I has been set to too high a value
1
-
"Balance" has been set too far towards "+"
Remedies
- Use a tungsten electrode with a bigger diameter
- Reduce the main current and/or set "Balance" further towards "-"
IMPORTANT! The "Electrode overload" indicator (41) is fine-tuned to
work with the following tungsten electrodes:
- TIG-AC welding: Pure tungsten electrodes
- TIG-DC welding: Ceriated electrodes
For all other electrodes, the "Electrode overload" indicator (41) must
be taken as a guideline only
"Keylock activated" indicator
lights up when the keylock is activated, as described in the section hea-
ded "Special functions"
Cold-wire feeder is connect
This indicator lights up when a cold-wire feeder is connected
HF (high-frequency) ignition is activated
Set-up parameter "HFt" has been set to a certain interval for the high-
frequency impulses