Troubleshooting
5-5
Part 1604857-04
E 2014 Nordson Corporation
Corrective ActionPossible CauseProblem
10. Vibrator doesn’t turn
On and Off with the
gun trigger
Controller configured for a hopper
system
Make sure sure controller is
configured for a VBF system. Refer
to Configuration in the Setup section.
11. VBF system−
fluidizing air is on
when the gun is
triggered Off
Controller configured for a hopper
system
Make sure sure controller is
configured for a VBF system. Refer
to Configuration in the Setup section.
12. No KV when gun is
triggered On, powder
flow OK
KV set to zero Set KV to a non-zero value.
13. No powder flow when
gun is triggered On,
kV OK
Flow Air or Total Flow set to zero Change settings to a non-zero
number.
Input air turned OFF Make sure air is being supplied to the
controller.
14. More than one key on
the keypad quits
working when
pressed
Flex connection from the keypad
to the main board is not seated
properly
Loosen and re-seat the flex circuit on
the main board, making sure the flex
cable is fully inserted into the
connector.
To loosen the flex circuit, gently pull
the black bar on the cable connector
away from the white connector. This
will allow you to adjust the flex cable
to ensure proper seating. The cable
should be inserted past the white line
marked towards the end of the cable.
Push the black bar back into the
white connector to secure.
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