Trouble Shooting And Solutions - WAGNER GM 2000 EACF Operating Manual

6.

TROUBLE SHOOTING AND SOLUTIONS

Problem
Insufficient material
output
Poor spray pattern
Leaking air valve
Poor wrap round or
electrostatic effect
Back spraying
No electrostatic ef-
fect
(no wrap around)
GM 2000 EAC - EN
Cause
• Tip too small
• Material pressure too low
• Gun filter or high-pressure
filter in pump blocked
• AirCoat tip (round) clogged
• Wrongly adjusted atomizing
air
• Tip too large
• Material pressure too low
• Material viscosity too high
• Damaged seals on the valve
rod
• Poor earth
• Paint conductivity too high /
resistance paint too high
• Spraying pressure too high
• No earth
• Distance between spray gun
and workpiece too large.
• High voltage switched off ?
• High voltage failure
6.1
Solution
• Select larger tip (see chapter
7.1 and 7.2)
• Increase material pressure
• Clean or exchange filter
• Clean tip (see chapter 4.4,
4.8 and 4.9)
• Readjust the atomizing air
• Select smaller tip (see chap-
ter 7.1 and 7.2)
• Increase material pressure
• Thin material acc. to manu-
facturer's instruction.
• Exchange seals (see chapter
5.4 and 5.5)
• Check earth of object
• Check resistance of paint
(see chapter 2.4)
• Adjust spraying pressure
• Check earth. (see chapter
3.2)
• Reduce distance between
spray gun and workpiece.
• Switch on high voltage.
• Repair failure acc. to opera-
ting instructions of control
unit.