3. voltmeter/ammeter help displays, He.l p−0 he.l p−1 he.l p−2, He.l p−3 – Miller Electric 460Volt User Manual
Page 37: He.l p−4, He.l p−5 he.l p−6 he.l p−7, He.l p−8, He.l p−9
OM-188 304 Page 33
7-3. Voltmeter/Ammeter Help Displays
.
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
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
the acceptable lower range limit (15% below
the applicable input voltage). If this display is
shown, have an electrician check the input
voltage.
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 the acceptable upper range limit (15%
above the applicable input voltage). If this
display is shown, have an electrician check
the input voltage. Help 7 can also indicate a
bus voltage imbalance.
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.
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.
1
A
V
2
A
V
3
A
V
HE.L P−0
HE.L P−1
HE.L P−2
4
A
V
HE.L P−3
5
A
V
HE.L P−4
6
A
V
7
A
V
8
A
V
HE.L P−5
HE.L P−6
HE.L P−7
9
A
V
HE.L P−8
10
A
V
HE.L P−9