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Over Voltage Fault (OU)
This fault will occur if the microprocessor detects the unit is
trying to output voltage above the required for the specific
applicator type. If this occurs, reset the Controller. If this
fault continues to occur, replace the main PC board.
OVERVOLTAGE FAULT ILLUMINATES FAUL
INDICATOR AND DISPLAYS "OU"
Figure 28: Over Voltage Fault Display
Current Limit Fault (CL)
This fault occurs if the output current exceeds the maximum
current by 20µA. This fault can be caused by excessive
overspray on the applicator or a paint formulation that is
too conductive. It may also be caused by a bad pc board.
Clean the applicator, check the paint formulation, or
replace the pc board. See Fault Troubleshooting Section
for more information.
CURRENT LIMIT FAULT ILLUMINATES
FAUL INDICATOR AND DISPLAYS "CL"
Figure 26: Current Limit Fault Display
Overload Fault (OL)
This fault will occur if the overload feature is active (see
'Overload Activation" previously in the "Operation" section)
and the output current exceeds the overload current value.
This can be caused by excessive overspray on the appli-
cator or paint formulation that is too conductive. Clean the
applicator, check the paint formulation, or move overload
jumper (JP17) to the open position.
CP-13-06-R5 (09/2018)
OVERLOAD FAULT ILLUMINATES FAUL
INDICATOR AND DISPLAYS "OL"
Figure 25: Overload Fault Display
Feedback Fault (FF)
This fault will occur if the microprocessor detects a loss of
the current feedback signal. If this occurs, reset the fault.
If this fault occurs repeatedly, refer to the Fault Trouble-
shooting Section to determine if the problem is with the
high voltage section or the main pc board.
FEEDBACK FAULT ILLUMINATES FAUL
INDICATOR AND DISPLAYS "FF"
Figure 29: Feedback Fault Display
27 / 34
OPERATION
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