Remedy In Case Of Faults - WAGNER Super Finish 7000 Operating Manual

GB
repaIrs at the unIt
10.10

ReMedy IN cASe OF FAultS

type of malfunctIon
Unit does not start
Unit does not suck in
Unit does not gener-
ate pressure
Poor spray pattern
52
what else? possIble cause
Motor switch can not No voltage applied
switched on
Indicating lamp does
not illuminate
400V version
N (neutral) conductor not
connected
Motor switch can not Unit fuse has triggered
switched on
Indicating lamp illumi-
nates
400V version
Lines missing or inter-
Motor hums rupted
Air bubbles exit from Unit is sucking in outside
the return hose air
Air bubbles do not exit Inlet valve clogged
at the return hose
Inlet/outlet valve soiled
/ foreign bodies (e.g.
threads) drawn in / worn
Pressure control valve
turned down completely
Unit has sucked in Air in the oil circuit
Unit reached pres- Suction filter clogged
sure, but the pressure
collapses, also at the
pressure gage, during
spraying.
Paint cannot be worked in
this state. Due to its prop-
erties the paint clogs the
valves (inlet valve) and the
delivery rate is too low.
Unit reached pressure, Clogged filter do not let
but the pressure col- enough paint pass
lapses during spraying.
pressure gauge still
shows high pressure
Tip clogged
Unit does not generate Relief valve defective
the max. pressure pos-
sible. Paint neverthe-
less exits at the return
hose.
Tip clogged
Incorrect nozzle size
During multiple-gun Too many guns con-
operation nected
Super Finish 7000
measures for elImInatIng the malfunctIon
Check voltage supply
Have mains connection checked by a skilled
electrician
Let the motor cool down
Have mains connection checked by a skilled
electrician
Check: Suction system tightened properly?
Inlet valve button leaky? -> Replace wiper and
O-ring (-> refer to Section 10.1)
Press the inlet valve button until the stop is
reached several times by hand
Remove the valves and clean then (-> refer to
Section Pkt.10.2/10.3) / replace worn parts
Turn the pressure control valve to the right un-
til the stop is reached
Bleed the oil circuit in the unit by turning the
pressure control valve completely to the left
(until overturning) and let it run approx. 2 – 3
min. Then turn the pressure control valve to
the right and set the spraying pressure (repeat
process several times, if necessary).
Check the suction filter. If necessary, clean/
replace
Dilute the paint
Check/clean the (high-pressure filter) gun filter
Clean the tip (-> refer to Section 8.4)
Clean or replace the relief valve (-> refer to
Section 10.5)
Clean the tip (-> refer to Section 8.4)
Use different nozzle size
Use fewer guns