Fronius TransTig 2200 Instructions De Service page 180

TT2200 /
No shielding gas
MW1700/2200
All other functions are OK
power source
(continued) Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Poor welding properties
Cause:
Remedy:
Cause:
Remedy:
The welding torch becomes very hot
Cause:
Remedy:
Cause:
Remedy:
The gas cylinder is empty
Change the gas cylinder
The gas pressure regulator is faulty
Change the gas pressure regulator
The gas hose is not mounted, or is damaged
Mount / change the gas hose
The welding torch is defective
Change the welding torch
The gas solenoid valve is defective
Change the gas solenoid valve
Incorrect welding parameters
Check the settings
Incorrect earth (ground) connection
Check the earth (ground) connection and the clamp for correct polarity
The design dimensions of the torch are not sufficient for this task
Respect the duty cycle and loading limits
Only on water-cooled machines: Water through-flow is insufficient
Check the coolant level, through-flow rate, cleanliness of coolant etc. If
the coolant pump is blocked: Use a screwdriver - placed on the bushing -
to turn the shaft of the coolant pump.
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