Fronius TTG 1600 S Manual De Instrucciones página 26

Troubleshooting
Fault diagnosis
Welding torch cannot be connected
Cause:
Remedy:
No welding current
Mains switch ON, indicators on the power source are lit up, shielding gas flows
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Remedy:
Potentiometer not working
Mains switch is on, indicators on the power source are lit, shielding gas available
Cause:
Remedy:
No protective gas shield
All other functions are OK
Cause:
Remedy:
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26
Bayonet fixing bent
Replace bayonet fixing
Faulty earth (ground) connection
Check the earth (ground) connection and clamp for correct polarity
There is a break in the current cable in the welding torch
Change the torch
Loose tungsten electrode
Tighten tungsten electrode using torch cap
Loose parts
Tighten parts
Plug-in connections of „potentiometer/control line/power source"
faulty
Check plug-in connection/have power source or welding torch ser-
viced
The gas cylinder is empty
Change the gas cylinder
The gas pressure regulator is faulty
Replace the gas pressure regulator
The gas hose is not connected, damaged or kinked
Connect/replace the gas hose, or straighten out kinks
The welding torch is faulty
Replace welding torch
Gas solenoid valve is faulty
Replace gas solenoid valve