R-Tech C-MIG 315, Operation Instructions Manual

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14
The second column labeled ‘possible cause’ lists the obvious external possibilities that may
contribute to the machine symptom
Step 3 Recommended course of action
This column provides a course of action for the possible cause, generally it states to contact
R-Tech welding for repair of machine.
Output Problems
Problems Symptoms Rec. Course of action
Machine is dead – No Output –
No fan
1 Make sure the input switch is
in the ‘ON ‘ position
2 Check the input voltage at
the machine. Input voltage
must match the rating plate.
Refer to installation in this
manual.
3 Blown or missing fuses on
mains input.
If all recommended areas of
fault have been checked and
problem persists, Contact
R-Tech Welding for repair.
Fan runs normally at power up
– No output from machine
Check for proper input voltages
as per rating plate.
As Above
Fan runs –No output form
machine and the warning light
on control panel is lit.
Welding application may have
exceeded recommended duty
cycle. Allow the unit to run until
fans cools the welder and the
light goes out.
As Above
Fan runs – Machine does not
respond to torch switch.
The torch switch is faulty.
Check for continuity on torch
trigger wires or replace torch.
If torch is working then suspect
PCB failure or broken wiring.
As Above
Problems Symptoms Rec. Course of action
Machine regularly overheats –
warning light on front panel lit.
Fan runs but machine has no
output
1 Welding application may
exceed recommended duty
cycle – Reduce the duty cycle
of job.
2 Dirt and dust may have
clogged the cooling vents.
Blow out machine with dry,
clean low pressure air.
3 Air vents may be blocked due
to inadequate clearance
around machine
If all recommended areas of
fault have been checked and
problem persists, Contact
R-Tech Welding for repair.