60
GM 5000EA
OPERATING MANUAL
EDITION 04/2016
ORDER NUMBER DOC2344499
Functional fault
Cause
Remedy
Insuffi
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 fi 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 diff 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
Chapter 2.5
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
Chapter 2.5
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
