Nordson Versa-Spray II, Customer Product Manual

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Troubleshooting
5-1
Part 107016-02
E
2016 Nordson Corporation
Section 5
Troubleshooting
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
This section contains troubleshooting procedures. These procedures cover
only the most common problems that you may encounter. If you cannot
solve the problem with the information given here, contact your local
Nordson representative for help.
No. Problem Page
1. Uneven pattern, unsteady or inadequate powder flow 5-1
2. Voids in powder pattern 5-2
3. Loss of wrap, poor transfer efficiency 5-2
4. No kV output from spray gun 5-2
Problem Possible Cause Corrective Action
1. Uneven pattern,
unsteady or
inadequate powder
flow
Blockage in spray gun, feed hose,
or pump
Remove the feed hose from the
pump outlet. Blow out the hose and
spray gun with compressed air. If
necessary, disassemble and clean
the spray gun and pump.
Deflector or nozzle worn, or
impact-fusion affecting pattern
Remove the deflector and/or nozzle.
Clean and inspect them. Replace
worn parts. If parts are wearing
excessively or impact-fusion is a
problem, reduce the flow rate or
atomizing air pressure.
Damp powder Check the powder in feed hopper, air
filters, and dryer. Correct the
problem and replace the powder
supply if it is contaminated.
Low atomizing or flow rate air
pressure
Increase the atomizing and/or flow
rate air pressure.
Improper fluidization of powder in
feed hopper
Increase the fluidizing air pressure.
Remove the powder from the hopper
and clean or replace the fluidizing
plate, if necessary.
Continued...