TIP TIG - TIG 500 COMPACT, OPERATING MANUAL
Page 43 of 58
Troubleshooting-Checklist
Main power switch on, no function
Mains fuse defective
- Change mains fuse
Power supply interrupted
- Check mains supply
- Litz terminated, terminals loose
- Exchange mains supply
10s after starting welding under TIG the welding process is stopped, the message H20
flashes
Malfunction in the cooling circuit
- Check coolant level
- Check pump
- Check fuses F1, F2 and F3 (F3 on the control
transformer)
- Remove kinks in the hose system
Display flashes, green LED for S-test does not light up
The test device of the hazard
reduction device has triggered.
Rotary knob is in position S-test
- Turn the rotary knob to the desired welding current
mode, switch off the device, wait until the display
completely extinguishes, then switch on the device again.
Display flashes, green LED for S-test does not light up
The danger reduction device has
failed
- Switch off the device, wait until the display turns off
completely, then switch on the device again.
- If the display flashes again and the green S-Test LED is
off, stop the unit
immediately
and notify the service
Display flashes, yellow LED lights up
Device was overloaded
- Leave the appliance switched on and wait until it has
cooled down
When switched on, the mains fuse triggers
Power module defective
- Notify service
It can be welded under TIG DC, but HF does not fire
Wrong mode of operation
- Select operating mode TIG with HF
Ignitor defective
- Replace ignitor
Power supply for ignitor interrupted
- Check power supply 230V
- Check fuses F1, F2 and F3 (F3 on the control
transformer)
Trigger voltage is missing
- Check trigger inputs
