Ransburg, Troubleshooting guide, Evolver micropak controller - maintenance – Ransburg Evolver MicroPak Controller A10406 User Manual
Page 26
Set high voltage adjust knob or kV set point
input to proper value.
Put local/remote switch in proper position.
Perform a Cable Continuity Test. If proper
readings are not obtained, check cable or
spray gun for cause (see current “Spray
Gun” Service Manual).
Check all wiring connections for integrity.
Repair wiring as needed.
The “Troubleshooting Guide” below re-
quires measurement of potentials that can
cause serious bodily injury if proper mea-
suring procedures are not followed. For this
reason, proper troubleshooting should ONLY
be conducted by qualified electronics techni-
cians using specific test equipment.
W A R N I N G
!
(Continued On Next Page)
TROUBLESHOOTING GUIDE
General Problem
Possible Cause
Solution
MicroPak Power
Indicator and
Meters do not light
up when MicroPak
ON/OFF Switch is
turned ON
No or Low kV Output
at Spray Gun when
HV ON Indicator (red
LED) is Lit
AC Power ON/OFF switch on rear of
controller not turned ON.
Improper input line voltage.
Fuse of 24VDC power supply is
defective.
Defective 24VDC power supply.
Defective MicroPak Control Unit.
High voltage adjust knob or kV set-
point input not set to proper value.
Local/remote switch in wrong position.
Defective spray gun or low voltage
cable.
Loose or broken wire in power supply.
Turn AC Power ON/OFF Switch on.
Ensure voltage across terminals L1 and
N of terminal block 1TB is between 90
and 264 VAC.
Check fuse and replace if defective (see
Figure 9).
Voltage across terminals 1 and 8 of con-
nector CON2 (see Figure 9) of 24VDC
power supply should be 24VDC. If not,
replace 24VDC power supply.
If none of the suggestions above resolves
the issue, replace the LECU5004-31
MicroPak Control Unit.
Evolver MicroPak Controller - Maintenance
Ransburg
23
LN-9622-00.5