Weldtronic TTIG200PADP Operating Manual page 40

Trouble
8 No gas flow (TIG)
Gas always flows
9
The welding current cannot
10
be adjusted
The welding
11 displayed isn't accordant
with the actual value.
The penetration of molten
12
pool is not enough.
The alarm lamp on the front
13
panel is on
TitanTig 200P ACDC Pro Operators Manual Issue. A 0516
The malfunction of the welding gun switch.
Gas cylinder is close or gas pressure is low
Something in the valve
Electromagnetic valve is damaged
The gas-test on the front panel is on
Something in the valve
Electromagnetic valve is damaged
The adjustment knob of pre-gas time on the
front panel is damaged
The welding current potentiometer on the
front panel connection is not good or
damaged
The min value displayed isn't accordant with
current
the actual value. (Please refer to §3.1)
The max value displayed isn't accordant with
the actual value. (Please refer to §3.1)
The welding current is adjusted too low
The arc is too long in the welding process
Over heat protection
Over-voltage
protection
Low-voltage
protection
Over-current
protection
Reason
Two much welding
current
Working time too
long
Power supply
fluctuates
Power supply
fluctuates
Too many machines
using power supply
in the same time
Unusual current in
the main circuit
Solution
Check the welding gun switch,
control cable and aero socket.
Open or change the gas cylinder
Remove it
Change it
The gas-test on the front panel is
off
Remove it
Change it
Repair or change it
Repair or change
potentiometer
Adjust potentiometer Imin on the
power board.
Adjust potentiometer Imax on the
power board.
Increase the welding current
Use 2T operation
Reduce the welding current output
Reduce the duty cycle (work
intermittently)
Using the stable power supply
Using the stable power supply
Reduce the machines using power
supply in the same time
Check and repair the main circuit
and drive Pr6
the