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OM-225 Page 17
4-2. Trouble Lights
1 Pressure Light
Lights if gas/air pressure is below
40 PSI (276 kPa).
Turn power Off, and check for prop-
er gas/air pressure (see Section
2-5).
2 Cup Light
Lights if shield cup is loose.
Turn power Off, and check shield
cup connection (see torch Owner’s
Manual). Power must be reset
whenever the cup shutdown is
activated.
Check shield cup shutdown system
once a week (see Section 4-3).
3 Temperature Light
Lights if power source overheats
(see Section 2-2).
1
2
3
4-3. Checking Shield Cup Shutdown System
Ref. ST-801 397-A
1 Torch Shield Cup
Turn Power On and loosen shield
cup. If shutdown system works
properly, Ready light goes off and
Cup light comes on. If not, immedi-
ately turn Off power and contact
Factory Reliability Department.
If system works properly, retighten
cup and reset power.
1
Power must be reset whenever the cup shutdown
system is activated. Always turn Off power when
changing or checking consumables.