Troubleshooting
4-8
Part 1102771A
E
2010 Nordson Corporation
Corrective Action
Possible Cause
Problem
10. Gun display module
shows CF
Loose gun display connection
See Figure 4-7. Check connector J3
(cable/display module) inside the
gun. Check for loose or bent pins.
Defective gun cable or gun display
module (H36 code)
Perform the
Gun Cable Continuity
Test
on page 4-11. Replace cable if
damaged. Replace gun display
module if cables and connections are
good.
11. Preset cannot be
changed from the
spray gun
Settings trigger disabled
Check Custom Function F08 and set
to enabled (F08--00). See
Controller
Configuration
on page 3-17.
No programmed preset available
Presets with no set values for flow
rate and electrostatics are
automatically skipped.
Loose or defective trigger switch
See Figure 4-7. Check for a loose
trigger switch connection. The trigger
switch is plugged into the gun display
module.
12. Powder flow cannot
be changed from the
spray gun
Settings trigger disabled
Check Custom Function F08 and set
to enabled (F08--00). See
Controller
Configuration
on page 3-17.
Total air set to zero
If the total air is set to zero the flow
percent cannot be adjusted. Change
the total flow to a non-zero number.
Loose or defective trigger switch
See Figure 4-7. Check for a loose
trigger switch connection. The trigger
switch is plugged into the gun display
module.
13. VBF doesn’t turn ON
and Off with the gun
trigger
VBF turned off
Set the Custom Function F01 for a
box feeder (F01--01). See
Controller
Configuration
on page 3-17.
14. Fluidizing Air is on all
the time even when
the gun is triggered
Off
System is setup for a hopper
Set the Custom Function F01 for a
box feeder (F01--01). See
Controller
Configuration
on page 3-17.
15. No KV when gun is
triggered ON, powder
flow OK
KV set to zero
Set KV to a non-zero value.
Check for Help Codes
Refer to Help Code Troubleshooting
starting on page 4-2.
16. No powder flow when
gun is triggered ON,
kV OK
Total air set to zero
Change total flow to a non-zero
number.
Input air turned OFF
Check the gauge on the filter
regulator and make sure the air is
turned ON. See Figure 2-11.
Check for Help Codes
Refer to Help Code Troubleshooting
starting on page 4-2.
17. Gun flow % does not
increment, always 0
Total air set to zero
If the total air is set to zero the flow
percent cannot be adjusted. Change
the total flow to a non-zero number.
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