Troubleshooting
5-2
2001 Nordson Corporation
All rights reserved
334 627B
Issued 3/01
Manual 31-46
Problem
Possible Cause
Corrective Action
1. Uneven pattern, unsteady
or inadequate powder
flow
(contd)
Improper fluidization of powder in
hopper
Increase the fluidizing air pressure.
If the problem persists, remove the
powder from the hopper and inspect the
fluidizing plate. Clean or replace the
fluidizing plate if it is contaminated.
Damp powder
1. Check the powder supply, air filters,
and dryer.
2. Replace the powder supply if
contaminated.
2.
Voids in powder pattern
Worn nozzle
Remove and inspect the nozzle.
Replace it if it is worn.
Plugged powder path
Remove the nozzle parts, inlet
connector, and powder feed hose from
the gun and clean them.
3.
Loss of wrap, poor
transfer efficiency
NOTE: Before checking possible
causes, check the error code on the
controller and perform the error code
corrective action in the controller
manual.
Low electrostatic voltage
Increase the electrostatic voltage.
Poor electrode connection
Perform the
Electrode Support
Assembly Continuity procedure in this
section.
Poorly grounded parts
Check the conveyor chain, rollers, and
part hangers for powder buildup. The
resistance between the parts and
ground must be 1 megohm or less. For
best results, 500 ohms or less is
recommended.
2. Troubleshooting Charts
(contd)
Summary of Contents for Sure Coat Series
Page 8: ...Safety 1 0 2000 Nordson Corporation All rights reserved Issued 7 00 S1EN 03 SF Powder 6 ...
Page 28: ...Operation 4 0 2001 Nordson Corporation All rights reserved 334 627B Issued 3 01 Manual 31 46 ...
Page 34: ...Operation 4 6 2001 Nordson Corporation All rights reserved 334 627B Issued 3 01 Manual 31 46 ...
Page 46: ...Repair 6 0 2001 Nordson Corporation All rights reserved 334 627B Issued 3 01 Manual 31 46 ...
Page 56: ...Parts 7 0 2001 Nordson Corporation All rights reserved 334 627B Issued 3 01 Manual 31 46 ...
Page 66: ......