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7-3. Help Displays
V
HE.L P−0
V
HE.L P−1
V
HE.L P−2
V
HE.L P−3
V
HE.L P−4
V
HE.L P−5
V
HE.L P−6
V
HE.L P−7
V
HE.L P−8
V
HE.L P−9
.
All directions are in reference to the front of the unit. All circuitry referred to
A
is located inside the unit.
Help 0 Display
Indicates a shorted thermistor RT2 on the left side of the unit. If this display is
shown, contact a Factory Authorized Service Agent.
A
Help 1 Display
Indicates a malfunction in the primary power circuit. If this display is shown, con-
tact a Factory Authorized Service Agent.
A
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.
A
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 Section 4-4). Operation will continue when the unit has
cooled.
A
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.
A
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 4-4). Operation will continue when the unit has
cooled.
A
Help 6 Display
Indicates that the input voltage is too low and the unit has automatically shut down.
Operation 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 electri-
cian check the input voltage.
A
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 im-
balance.
A
Help 8 Display
Indicates a malfunction in the secondary power circuit of the unit. If this display
is shown, contact a Factory Authorized Service Agent.
A
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.
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