Ransburg, Troubleshooting guide, Cont.) – Ransburg Evolver MicroPak Controller A10406 User Manual
Page 27: Evolver micropak controller - maintenance

General Problem
Possible Cause
Solution
TROUBLESHOOTING GUIDE
(Cont.)
Improper interlock connection.
High voltage ready condition not
activated.
High Voltage On input not activated.
Defective MicroPak Control Unit.
Ensure interlock connection is connected
to ground through a jumper or voltage free
contact as detailed in the “Installation” sec-
tion of this manual.
Activate the high voltage ready input or set
dipswitch 3-3 to the OFF position.
Supply 24VDC to the High Voltage On input
or if in manual mode, move the High Voltage
Enable switch to the ON position.
If none of the suggestions above resolves the
issue, replace the LECU5004-31 MicroPak
Control Unit.
Parts are too close to the spray gun.
Overload setpoint set too sensitive.
Defective spray gun or cable.
Defective MicroPak Control Unit.
Ensure sufficient distance between spray
gun and parts.
Increase the μA setpoint using the μA Adjust
Knob, process board potentiometer R21, or
the 0-10VDC over-current setpoint input.
Perform a Cable Continuity Test. If proper
readings are not obtained, check cable or
spray gun for cause (see current “Spray
Gun” service manual).
If none of the suggestions above resolves the
issue, replace the LECU5004-31 MicroPak
Control Unit.
Ready input is active and dipswitch
SW3-3 is off.
Wiring to/from component loose or
broken.
Defective component.
Disable ready input or turn dipswitch
SW3-3 off.
Repair loose or broken wire.
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.
Evolver MicroPak Controller - Maintenance
Ransburg
24
LN-9622-00.5