Yeswelder TIG-225P Operator's Manual page 21

TROUBLESHOOTING
Problems(Symptoms)
Thermal light turns on
Output o.k. in Stick but no output
in TIG
No output in both Stick and TIG
Problems(Symptoms)
No hi-freq
Hi-freq does not initiate an arc
Observe all Safety Guidelines detailed throughout this manual
Possible Cause
Welding application exceeds rated duty
cycle
Air intake & exhaust louvers may be
blocked
Dirt and dust may have clogged the
cooling channel inside machine
Faulty fans or connections
Faulty Components, PCB or
Connections
No gas & no hi-freq Faulty trigger or
hand
Gas & hi-freq o.k.
Faulty PC Boards or connections
Faulty PC Boards or connections
Observe all Safety Guidelines detailed throughout this manual
Possible Cause
Wrong Process setting
Preflow time set too long
Faulty PC Boards or connections
Insufficient gas flow
Poor work clamp connection
Contaminated Tungsten
Faulty torch
Faulty PC Boards or connections
Recommended Course of Action
Reduce duty cycle
Maintain sufficient clearance around machine
Blow out machine with clean, dry low
pressure air
Contact YESWELDER
support@yeswelder.com
Contact YESWELDER
support@yeswelder.com
Check trigger or Amptrol connection
Contact YESWELDER
support@yeswelder.com
Contact YESWELDER
support@yeswelder.com
Recommended Course of Action
Verify Process is set for hi-freq TIG
Set for typical 0.5 second preflow time
Contact YESWELDER
support@yeswelder.com
Check gas flow
Check & secure work clamp
Grind to clean Tungsten
Check TIG torch & insulation
Contact YESWELDER
support@yeswelder.com
18