Wagner SprayTech 7000 Manual De Usuario

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Unit does not start

Motor switch can not 

switched on 

Indicating lamp does 

not illuminate

No voltage applied

Check voltage supply

Motor switch can not 

switched on 

Indicating lamp illumi-

nates

Unit fuse has triggered

Let the motor cool down 

Unit does not suck in

Air bubbles exit from 

the return hose

Unit is sucking in outside 

air

Check: Suction system tightened properly? 

Inlet valve button leaky? -> Replace wiper and 

O-ring (-> refer to Section 10.1)

Air bubbles do not exit 

at the return hose

Inlet valve clogged

Press the inlet valve button until the stop is 

reached several times by hand

Inlet/outlet valve soiled 

/ foreign bodies (e.g. 

threads) drawn in / worn

Remove the valves and clean then (-> refer to 

Section Pkt.10.2/10.3) / replace worn parts 

Pressure control valve 

turned down completely

Turn the pressure control valve to the right un-

til the stop is reached

Unit does not gener-

ate pressure

Unit has sucked in

Air in the oil circuit

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). 

Unit reached pres-

sure, but the pressure 

collapses, also at the 

pressure gage, during 

spraying.

Suction filter clogged

Check the suction filter. If necessary, clean/

replace

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.

Dilute the paint

Unit reached pressure, 

but the pressure col-

lapses during spraying. 

pressure gauge still 

shows high pressure

Clogged filter do not let 

enough paint pass

Check/clean the (high-pressure filter) gun filter

Tip clogged

Clean the tip (-> refer to Section 8.4)

Unit does not generate 

the max. pressure pos-

sible. Paint neverthe-

less exits at the return 

hose. 

Relief valve defective

Clean or replace the relief valve (-> refer to 

Section 10.5)

Poor spray pattern

Tip clogged

Clean the tip (-> refer to Section 8.4)

Incorrect nozzle size

Use different nozzle size

During multiple-gun 

operation

Too many guns con-

nected

Use fewer guns