Nordson Prodigy Robot Gun, Руководство пользователя по изделию

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Prodigy
r
Robot Gun
11
Part 1105518 − 02
E
2014 Nordson Corporation
Troubleshooting
WARNING: Allow only qualified
personnel to perform the following tasks.
Follow the safety instructions in this
document and all other related
documentation.
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 or the
Nordson Finishing Customer Support Center at
(800) 433 − 9319 for help.
Problem Possible Cause Corrective Action
1. Unsteady or
inadequate powder
flow
Fault in pump, pump manifold, or
pump control card
Refer to HDLV pump manual for
troubleshooting.
Blockage in gun powder tube or in
8-mm powder tubing
Purge gun and powder tubing.
Replace powder tube or tubing if
necessary.
Damp or contaminated powder
supply, powder supply not properly
fluidized
Check powder supply, make sure
powder is being fluidized properly.
2. Uneven pattern Insufficient pattern air flow Increase pattern air flow.
Blocked nozzle Clean or replace nozzle.
Worn powder tube Purge gun, disconnect the powder
tubing, and examine powder tube ID.
3. Loss of wrap, poor
transfer efficiency
Low electrostatic voltage Increase electrostatic voltage.
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.
Poor connection in high voltage
path inside spray gun
Perform the Multiplier and Resistor
Assembly Resistance Tests on
page 12.
Fault in gun control card Refer to the controller manual for
troubleshooting.
4. No kV output Damaged control cable Perform the cable continuity tests on
page 14.
If an open or short is found, replace
the cable.
Fault in gun control card Refer to the controller manual for
troubleshooting.
Faulty voltage multiplier or poor
connection in high voltage path
Perform the resistance checks on
page 12.
Check all high voltage path
connections. See Figure 2.
5. No powder output Blockage in powder tubing Check powder tubing.
Fault in gun control card Refer to the Prodigy controller
manual for troubleshooting.
Fault in pump control card or pump Refer to HDLV pump manuals for
troubleshooting.