60
GM 5000EA
OPERATING MANUAL
EDITION 04/2016 ORDER NUMBER DOC2344499
Functional fault Cause Remedy
Insu cient product output Nozzle too small Select larger nozzle (see Accessories).
Product pressure too low Increase product pressure.
Product pressure generator blocked Clean or replace lter.
Nozzle is clogged Clean or replace nozzle.
Product valve travel set too small Increase product valve travel by turning
the adjusting screw.
Poor spray pattern Wrongly adjusted atomizing air Readjust the atomizing air.
Unfavorable nozzle size Select a di erent nozzle (see
Accessories).
Product pressure too high/too low Adapt product pressure.
Spray product viscosity too high Thin product in accordance with the
manufacturer's instructions.
Damaged nozzle Attach new nozzle.
Poor wrap-around Poor grounding at object Check grounding of object or hanger
with ohmmeter.
Lacquer resistance too high/too low Check lacquer resistance, see
Chapter2.5
Spraying pressure too high Readjust spraying pressure.
No wrap-around No high voltage Switch on high voltage at the control
unit. / Repair malfunction as explained
in the control unit operating manuals.
Connect gun and gun cable/check for
defect.
Check lacquer resistance, see
Chapter2.5
Seal in end piece defective Repair by WAGNER Service Department.
Air-passages damp Clean and dry air passages.
Back-spray Poor grounding at object Check grounding.
Distance between spray gun and
object too large
Reduce distance between spray gun
and work piece.
High voltage set wrongly (too high) Adapt high voltage to product.
Loosen the nozzle union nut for
round jet method
Slightly tighten union nut by hand.
Valve rod leaks Seals at the valve rod are damaged Replace the seals (see Chapter 10).
Loose packing Tighten.
9 TROUBLE SHOOTING AND RECTIFICATION
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