Trouble Lights And Checking Shield Cup Shutdown System - Hobart Welding Products AirForce 12ci Mode D'emploi

7-2. Trouble Lights And Checking Shield Cup Shutdown System

Checking Torch Shield Cup Shutdown System
.
Power switch must be reset whenever cup shutdown system is activated.
Always turn Off power source when changing or checking consumables.
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OM-272180 Page 22
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A complete Parts List is available at www.HobartWelders.com
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2
4
1 Power Light
Light is steady if input power is
okay. Light flashes if input power is
less than 92 volts AC or greater
than 136 volts AC. Light stops
flashing 15 seconds after condition
is corrected or when torch trigger is
pressed.
If certain problems occur, the
trouble light comes on, and output
stops.
2 Cup Light
3 Shield Cup
Lights if shield cup is loose/off.
Check shield cup shutdown system
as follows:
Turn power On and loosen shield
cup. If shutdown system works
properly, Cup light comes on. If
not, turn power Off and have a
factory authorized service agent
check unit.
If system works properly,
retighten cup. Power must be
reset whenever the cup
shutdown is activated.
Check shield cup shutdown
system once a week.
A flashing Cup light indicates that
the torch consumables are stuck
or worn and should be inspected
and/or replaced
(see Section 7-3).
4 Temp Light
Lights if power source overheats or
when ambient temperature is below
−40° C (−40° F). If unit overheats,
allow fan to cool unit for 15 minutes
(see Sections 4-4).
When both Power and Temp Lights
flash, the compressor current limit
was exceeded either above or be-
low its operating range. The lights
flash for 15 seconds before the
torch can be retriggered. If this con-
dition continues during unit opera-
tion, have a factory authorized ser-
vice agent check unit.
Ref. 230 442-B / Ref. 227 905-A