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Ransburg, Troubleshooting guide, Evolver micropak controller - maintenance – Ransburg Evolver MicroPak Controller A10406 User Manual

Page 26

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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