Miller XMT 456 CC/CV Owner's Manual - Page 28
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5-5. Voltmeter/Ammeter Help Displays
V
1
HE.L P−0
V
2
HE.L P−1
V
3
HE.L P−2
V
4
HE.L P−3
V
5
HE.L P−4
.
All directions are in reference to the front
of the unit. All circuitry referred to is lo-
cated inside the unit.
1
Help 0 Display
Indicates a shorted thermistor RT2 on the left
side of the unit. If this display is shown, con-
tact a Factory Authorized Service Agent.
2
Help 1 Display
Indicates a malfunction in the primary power
circuit. If this display is shown, contact a Fac-
tory Authorized Service Agent.
3
Help 2 Display
Indicates a malfunction in the thermal
protection circuitry located on the left side of
the unit. If this display is shown, contact a
Factory Authorized Service Agent.
4
Help 3 Display
Indicates the left side of the unit has over-
heated. The unit has shut down to allow the
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A
6
A
7
A
8
A
9
A
10
fan to cool it (see Section 3-2). Operation will
continue when the unit has cooled.
5
Help 4 Display
Indicates a malfunction in the thermal
protection circuitry located on the right side
of the unit. If this display is shown, contact a
Factory Authorized Service Agent.
6
Help 5 Display
Indicates the right side of the unit has over-
heated. The unit has shut down to allow the
fan to cool it (see Section 3-2). Operation will
continue when the unit has cooled.
7
Help 6 Display
Indicates that the input voltage is too low and
the unit has automatically shut down. Opera-
tion will continue when the voltage is within
±15% of the operating range. If this display
is shown, have an electrician check the input
voltage.
V
A
HE.L P−5
V
A
HE.L P−6
V
A
HE.L P−7
V
A
HE.L P−8
V
A
HE.L P−9
8
Help 7 Display
Indicates that the input voltage is too high
and the unit has automatically shut down.
Operation will continue when the voltage is
within ±15% of the operating range. If this
display is shown, have an electrician check
the input voltage.
9
Help 8 Display
Indicates a malfunction in the secondary
power circuit of the unit. If this display is
shown, contact a Factory Authorized Ser-
vice Agent. In addition, when the optional
ground current sensor is installed, this dis-
play indicates weld current in the ground
conductor. When this occurs, have an elec-
trician check the primary and secondary
connections.
10 Help 9 Display
Indicates a shorted thermistor RT1 on the
right side of the unit. If this display is shown,
contact a Factory Authorized Service Agent.