Fronius TransPocket 4000 CEL, Operating Instructions Manual

Page: 104 / 172

No welding current
Mains switch is on, indicators are lit up
Grounding (earthing) connection is incorrect
Check the grounding (earthing) connection and terminal for correct
polarity
Break in power cable in the TIG gas-valve torch
Replace TIG gas-valve torch
Cause:
Remedy:
Cause:
Remedy:
No shielding gas
All other functions are OK
Gas cylinder is empty
Change gas cylinder
Gas pressure regulator faulty
Replace gas pressure regulator
Gas hose is not fitted or is damaged
Fit or change gas hose
TIG gas-valve torch faulty
Replace TIG gas-valve torch
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Poor weld properties
Incorrect welding parameters
Check the settings
Poor grounding (earthing) connection
Ensure good contact to workpiece
Inadequate or no shielding gas
Check the pressure regulator, gas hose, torch gas connection, etc.
Welding torch is leaking
Change welding torch
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Poor weld properties
Additional severe spattering
Incorrect electrode polarity
Reverse electrode polarity (see manufacturer's instructions) Cause:
Remedy:
Welding torch becomes very hot
Welding torch is inadequately dimensioned
Observe the duty cycle and loading limits Cause:
Remedy:
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