Fronius TTB 80 G Manual De Instrucciones página 93

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No shielding gas
All other functions present
Cause:
Gas cylinder empty
Remedy:
Change gas cylinder
Cause:
Gas pressure regulator faulty
Remedy:
Replace gas pressure regulator
Cause:
Gas hose kinked, damaged, or not attached
Remedy:
Attach and straighten gas hose. Replace faulty gas hose
Cause:
Welding torch faulty
Remedy:
Replace welding torch
Cause:
Gas solenoid valve faulty
Remedy:
Contact service team (have gas solenoid valve replaced)
Poor-quality weld properties
Cause:
Incorrect welding parameters
Remedy:
Check settings
Cause:
Incorrect ground connection
Remedy:
Check ground connection and terminal for polarity
Welding torch gets very hot
Cause:
Welding torch is inadequately dimensioned
Remedy:
Observe duty cycle and load limits
Cause:
For water-cooled systems only: Coolant flow too low
Remedy:
Check water level, water flow rate, water contamination, etc. Coolant pump
blocked: Switch on shaft of coolant pump at the gland using a screwdriver
Cause:
For water-cooled systems only: "Cooling unit Ctrl" parameter is set to
"OFF".
Remedy:
In the Setup menu, set the "Cooling unit Ctrl" parameter to "Aut" or "ON".
93

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