5. voltmeter/ammeter help displays, He.l p−1 he.l p−2 he.l p−3, He.l p−4 – Miller Electric Invision 456MP User Manual
Page 42: He.l p−5, He.l p−6, He.l p−7, He.l p−8
OM-193 267 Page 38
6-5. Voltmeter/Ammeter Help Displays
.
All directions are in reference to
the front of the unit. All circuitry
referred to is located inside the
unit.
1
Help 1 Display
Indicates a malfunction in the pri-
mary power circuit. If this display is
shown, contact a Factory Autho-
rized Service Agent.
2
Help 2 Display
Indicates a malfunction in the ther-
mal protection circuitry located on
the left side of the unit. If this display
is shown, contact a Factory Autho-
rized Service Agent.
3
Help 3 Display
Indicates the left side of the unit has
overheated. The unit has shut down
to allow the fan to cool it (see Sec-
tion 3-2). Operation will continue
when the unit has cooled.
4
Help 4 Display
Indicates a malfunction in the ther-
mal protection circuitry located on
the right side of the unit. If this dis-
play is shown, contact a Factory
Authorized Service Agent.
5
Help 5 Display
Indicates the right side of the unit
has overheated. The unit has shut
down to allow the fan to cool it (see
Section 3-2). Operation will contin-
ue when the unit has cooled.
6
Help 6 Display
Indicates that the input voltage is
too low and the unit has automati-
cally shut down. Operation will con-
tinue when the voltage is within
±
15% of the operating range. If this
display is shown, have an electri-
cian check the input voltage.
7
Help 7 Display
Indicates that the input voltage is
too high and the unit has automati-
cally shut down. Operation will con-
tinue when the voltage is within
±
15% of the operating range. If this
display is shown, have an electri-
cian check the input voltage.
8
Help 8 Display
Indicates a malfunction in the sec-
ondary power circuit of the unit. If
this display is shown, contact a
Factory Authorized Service Agent.
In addition, when the optional
ground current sensor is installed,
this display indicates weld current
in the ground conductor. When this
occurs, have an electrician check
the primary and secondary
connections.
1
A
V
2
A
V
3
A
V
HE.L P−1
HE.L P−2
HE.L P−3
4
A
V
HE.L P−4
5
A
V
HE.L P−5
6
A
V
HE.L P−6
7
A
V
HE.L P−7
8
A
V
HE.L P−8