Ross RXT150P, Installation, Use And Maintenance Manual, Page: 13 / 15

Page 13
RXT150P
N
o
.
Breakdown Analysis Solutions
1
No current out-
put
No voltage input
Check the fuse and or
circuit breaker
Wrong Fuse or breaker 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 pressure Tighten the wire tension
adjustment nut
No back tension on reel Check the wire spool clip
Wire is oxidised
Replace wire spool. Re-
place liner
3
Poor weld pene-
tration
Low input voltage Check that if input volt-
age is the same with
rated voltage
Bad connection Check grounding cable/
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 an-
other 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
TROUBLESHOOTING GUIDE