Voltmeter/Ammeter Help Displays (Continued) - Unitor UWI 400 Owner's Manual

6-4. Voltmeter/Ammeter Help Displays (Continued)

OM-202 137 Page 28
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
.
All directions are in reference to
the front of the unit. All circuitry
referred to is located inside the
unit.
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.
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 ac-
ceptable lower range limit (15% be-
low the applicable input voltage). If
this display is shown, have an elec-
trician check the input voltage.
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 ac-
ceptable 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 volt-
age imbalance.
Help 8 Display
Indicates a malfunction in the sec-
ondary power circuit of the unit. If
this display is shown, contact a Fac-
tory Authorized Service Agent.
Help 9 Display
Indicates a shorted thermistor RT1
on the right side of the unit. If this dis-
play is shown, contact a Factory Au-
thorized Service Agent.