Table of Contents
Advertisement
Operating manual GA 5000EAC Electrostatic Automatic Spray Gun (AirCoat)
9 Troubleshooting and Rectification
9 TROUBLESHOOTING AND RECTIFICATION
Functional fault
Insufficient
product output
Poor spray pattern
Poor wrap-around
No wrap-around
Back-spray
Valve seat leaks
Order number 2360922 | Edition 09/2022
Cause
Nozzle too small.
Product pressure too low.
Filter on product pressure generator
clogged.
Nozzle clogged.
Atomizing air incorrectly adjusted.
Unfavorable nozzle size.
The product viscosity is too high.
Product pressure too high/too low.
Damaged nozzle.
Poor grounding at object.
Lacquer resistance too high/too low.
Spraying pressure too high.
No high voltage.
Seal in end piece defective.
Air-passages damp.
Poor grounding at object.
Distance between spray gun and work
piece too great.
High voltage set incorrectly (too high). Adapt high voltage to product.
Loosen the nozzle union nut for round
jet method.
Valve seat or valve tip worn.
Rectification
Flat jet: Select larger nozzle (see chap-
ter Accessories [8 69]).
Increase product pressure.
Clean or replace filter.
Clean or replace nozzle.
Readjust atomizing air.
Select a different nozzle (see chapter
Accessories [8 69]).
Thin product in accordance with the
spray product manufacturer's instruc-
tions.
Adapt product pressure.
Attach new nozzle.
Check grounding of object or hanger
with ohmmeter.
Check lacquer resistance (see chap-
ter Processible Working Materials
[8 9]).
Adjust spraying pressure.
Switch on high voltage at the control
unit. / Repair malfunction as explained
in the control unit operating manual.
Connect gun and gun cable/check for
defect.
Check lacquer resistance (see chap-
ter Processible Working Materials
[8 9]).
Repair by WAGNER service depart-
ment.
Clean and dry air passages.
Check grounding.
Reduce distance between spray gun
and work piece.
Tighten union nut by hand.
Replace valve seat or valve tip.
53
Advertisement
Table of Contents
