Ransburg MicroPak Controller A11789 - Manual (Page 24)

General Problem Possible Cause Solution
Troubleshooting Guide (Cont.)
1. Improper interlock connection.
2. High voltage ready condition not
activated.
3. High Voltage On input not acti-
vated.
4. Defective MicroPak Control Unit.
1. Parts are too close to the spray
gun.
2. Overload setpoint set too sensitive.
3. Defective spray gun or cable.
4. Defective MicroPak Control Unit.
1. Ready input is active and dip-
switch SW3-3 is off.
1. Wiring to/from component loose
or broken.
2. Defective component.
1. Ensure interlock connection is con-
nected to ground through a jumper or
voltage free contact as detailed in the
“Installation” section of this manual.
2. Activate the high voltage ready input
or set dipswitch 3-3 to the OFF position.
3. Supply 24VDC to the High Voltage
On input or if in manual mode, move
the High Voltage Enable switch to the
ON position.
4. If none of the suggestions above
resolves the issue, replace the
LECU5004-31 MicroPak Control Unit.
1. Ensure sufficient distance between
spray gun and parts.
2. Increase the μA setpoint using the
μA Adjust Knob, process board
potentiometer R21, or the 0-10VDC
over-current setpoint input.
3. Perform a Cable Continuity Test. If
proper readings are not obtained,
check cable or spray gun for cause
(see current “Spray Gun” service
manual).
4. If none of the suggestions above
resolves the issue, replace the
LECU5004-31 MicroPak Control Unit.
1. Disable ready input or turn dipswitch
SW3-3 off.
1. Repair loose or broken wire.
2. Replace component.
No kV Output at
Spray Gun and HV
ON Indicator (red
LED) is not Lit
Power Supply
Overloads
Excessively
High Voltage on all
the time
Component not
working, but kV
Output OK
MicroPak Controller - Maintenance
22
Ransburg
CP-06-01.1