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EN
BOOT FAULT ILLUMINATES FAUL INDICATOR
AND DISPLAYS "bF"
Figure 30: Boot Fault Display
NOTE
†
The boot fault error code displayed on the
uA display appears very similar to the ground
fault. Verify that the first character appears as a
lowercase "b" not the ground fault character "6".
†
The boot fault USUALLY occurs during the
powering on of the voltage controller.
†
The boot fault CAN occur during painting if a
brown out or arcing situation in the gun, cable of high
voltage section cause a system reset.
Ground Fault (GF)
If this fault occurs, the fault indicator on the control unit
will illuminate, a GF indication will show in the uA display.
This fault will occur if the microprocessor detects a loss
of ground at the high voltage section. If this fault occurs,
reset the fault. This fault can be caused by a broken ground
path between the high voltage section and the pc board.
In external cascade applications, a failed low voltage
cable can cause this problem. Check the wiring to the
high voltage section. For more information, refer to Fault
Troubleshooting Section.
GROUND FAULT ILLUMINATES FAUL
INDICATOR AND DISPLAYS "GF"
Figure 24: Ground Fault Display
CP-13-06-R5 (09/2018)
†
The ground fault error code displayed on the uA
display appears very similar to the boot fault. Verify that
the first character appears as a "6" representing the
character "G" and not a lowercase "b" for a boot fault.
Cable Fault (CF)
This fault will occur if high voltage is active and the micro-
processor detects that no current is being supplied to the
high voltage section. This indicates a connection problem
from the control unit to the high voltage section or external
cascade. Check the wiring harness for loose pins, or replace
the high voltage section. In external cascade applications, a
failed low voltage cable can cause this fault. For additional
information, refer to the Fault Troubleshooting Section.
CABLE FAULT ILLUMINATES FAUL
INDICATOR AND DISPLAYS "CF"
Figure 23: Cable Fault Display
Voltage Cable Fault (UC)
This fault will occur if the microprocessor detects a loss
of the voltage feedback signal. This can be caused by a
failed high voltage cable, a failed high voltage section, or
a failed pc board.
VOLTAGE CABLE FAULT ILLUMINATES
FAUL INDICATOR AND DISPLAYS "UC"
Figure 27: Voltage Cable Fault Display
26 / 34
OPERATION
NOTE
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