Carlisle Ransburg, Service Manual, Page: 21 / 35

NOTE
Boot Fault (bF)
This fault will occur during the start-up sequence if the No.
2 Handgun on-off switch is in the on position. It is designed
to prevent immediate triggering after start-up as the unit
should be allowed to enter the “ready” state prior to being
triggered. This fault also prevents the high voltage from
being fired if the microprocessor resets. For additional
information, refer to the Fault Troubleshooting Section.
Figure 17: Boot Fault Display
†
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 ONLY occurs during the powering
on of the voltage controller.
†
The boot fault CAN occur during during painting
if a brown out or arcing situation in the gun or cable
of high section cause a system reset.
BOOT FAULT ILLUMINATES FAULT
INDICATOR AND DISPLAYS “bF”
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