Nordson Encore Select HD, Руководство пользователя по изделию

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1620445-03
6-3 Troubleshooting
Problem Possible Cause Corrective Action
6. No kV output from the
spray gun (interface
shows kV output), but
powder is spraying
Damaged spray gun cable
Perform the Spray Gun Cable Continuity Test on
page 6-5.
7. Insufficient electrode
air-wash flow
Powder buildup on the electrode
tip
Air-wash flow is controlled by a fixed orifice. Check
the air-wash tubing, and check for flow at the output
fitting when the spray gun is triggered on. Refer
to your controller manual for more troubleshooting
information.
8. Low powder flow or
powder flow surging
Low supply air pressure
Controller air supply pressure must be greater than
5.86 bar (85 psi).
Supply air filter plugged or filter
bowl full - water contamination of
flow controller
Remove bowl and drain water/dirt. Replace filter
element if necessary. Clean system, replace
components if necessary.
Air tubing kinked or plugged Check flow and atomizing air tubing for kinks.
Pump not assembled correctly Refer to Encore HD pump manual.
Pick-up tube blocked
Check for debris or bag (VBF units) blocking pick-
up tube.
Fluidizing air too low
If fluidizing air is set too low, the pump will not
operate at peak efficiency.
Powder hose plugged Blow out powder hose with compressed air.
Powder hose kinked Checked for a kinked powder hose.
Spray gun powder path plugged
Check hose connector, powder tube, and electrode
support for impact fusion or debris. Clean as
necessary with compressed air.
9. No KV when spray gun
is triggered ON, powder
flow OK
KV set to zero Change KV to a positive value.
Check the alarm screen for
messages.
Refer to your controller manual for troubleshooting
procedures.
10. No powder flow when
spray gun is triggered
ON, kV OK
Input air turned OFF Check the controller console air supply.