GT Trans Pocket 4000 CEL Mode D'emploi page 101

TP 4000 CEL / TP
No welding current
5000 CEL power
Mains switch is ON, overtemperature indicator is lit up
source
Cause:
(continued)
Remedy:
Cause:
Remedy:
No welding current
Mains switch is ON and indicators are lit up
Cause:
Remedy:
No shielding gas
All other functions are OK
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Poor welding properties
Cause:
Remedy:
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Cause:
Remedy:
Poor welding properties
additional severe spattering
Cause:
Remedy:
Welding torch becomes very hot
Cause:
Remedy:
Power source is overloaded, duty c. has been exceeded
Do not exceed duty cycle
Thermostatic cut-out system has been tripped
Wait until power source automatically comes back on after end of cooling
phase
Earth connection is wrong
Check the earth connection and clamp for correct polarity
Gas cylinder is empty
Change the gas cylinder
Gas pressure regulator is faulty
Change the gas pressure regulator
Gas hose is not mounted or is damaged
Mount / change the gas hose
TIG gas-valve welding torch is defective
Change the TIG gas-valve welding torch
Wrong welding parameters
Check settings
Poor earth connection
Ensure good contact to workpiece
Not enough shielding gas, or none at all
Check pressure regulator, gas hose, gas solenoid valve, torch gas con-
nection etc.
Welding torch is leaking
Change the torch
Wrong polarity of the electrode
Change the polarity of the electrode (see manufacturer's instructions)
Design dimensions of torch are not sufficient for this task
Respect the duty cycle and loading limits
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