Complete Parts List available at www.MillerWelds.com
OM-247969 Page 36
7-2. GFCI Receptacle Information, Resetting And Testing
!
Use GFCI protection when operat-
ing auxiliary equipment. If unit does
not have GFCI receptacles, use
GFCI-protected extension cord. Do
not use GFCI receptacle to power
life support equipment.
!
Unplug power cord before attempt-
ing to service accessories or tools.
1
120 V 20 A AC GFCI Receptacle
2
GFCI Receptacle Test Button
3
GFCI Receptacle Reset Button
4
Red GFCI Indicator Light (LED)
5
Green GFCI Indicator Light (LED)
GFCI Receptacles
GFCI receptacles protect the user from
electric shock if a ground fault occurs in
equipment connected to the receptacle. A
ground fault occurs when electrical current
takes the shortest path to ground (which
could be through a person) rather than fol-
low its intended safe path.
If a ground fault is detected, the GFCI Reset
button pops out, and the circuit opens to
disconnect power to the faulty equipment.
A GFCI receptacle does not protect against
circuit overloads, short circuits, or shocks
not related to ground faults. Reset and test
GFCI receptacle according to the following
procedures.
A solid green LED indicates power to the
GFCI. A solid red LED indicates that the
GFCI has been tripped.
Resetting/Testing GFCI Receptacle
!
Test GFCI monthly.
!
If Red LED blinks, stop using GFCI
receptacle and have it replaced by a
Factory Authorized Service Agent.
!
Extension cords with bad insulation
or of extended length can allow
enough leakage current to trip the
GFCI circuit. Reset and test as
follows.
Resetting GFCI Receptacles
If a GFCI fault occurs, stop engine and dis-
connect equipment from GFCI receptacle.
Check for damaged or wet tools, cords,
plugs, etc. connected to the receptacle.
Start engine and press GFCI Reset button.
Reconnect equipment to GFCI receptacle.
If GFCI Reset button pops out again, check
the equipment and repair or replace if faulty.
Testing GFCI Receptacles
Start engine and press the GFCI Test but-
ton. The GFCI Reset button should pop out.
Press the GFCI Reset button.
Have GFCI replaced by a Factory Autho-
rized Service Agent if any of the follow-
ing occur:
GFCI does not trip when tested
Red LED blinks
GFCI does not reset.
1
2
3
4
RotGFCI1 2016-12
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Summary of Contents for Big Blue 450X Duo CST
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