Ross RXT200EX, Instructions Manual

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No. Breakdown Analysis Solutions
1 No current output No voltage input Check the fuse and or
circuit breaker
Wrong Fuse or break-
er rating Replace with correct
rating fuse or breaker
Thermal over load
lamp lit Allow the unit to cool
2 Bad wire feed Low wire feed pres-
sure Tighten the wire ten-
sion adjustment nut
No back tension on
reel Check the wire spool
clip
Wire is oxidised Replace wire spool.
Replace liner
3 Poor weld penetration Low input voltage Check that if input
voltage is the same
with rated voltage
Bad connection Check grounding ca-
ble/ clamp, make sure
of a good connection.
Contact tip worn Replace contact tip
4 Porosity in weld No gas ,little gas or
wrong gas Check all gas
Blockage of gas line Use compress air to
clear the Blockage
Torch valve has been
blocked Open the welding
torch and check
Bad gas and wire Gas must be dry, use
another type wire
5 No wire feed Control wire broken
or Faulty switch in the
handle Check by inspection
Wire Control PCB
faulty Replace the PCB
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