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OPERATING MANUAL
VERSION 02/2013 ORDER NUMBER DOC 2333548
8 TROUBLE SHOOTING AND RECTIFICATION
Problem Cause Remedy
The pump does not work Air motor does not work or stops. Open and close ball valve on the pressure
regulator unit or brie y disconnect
compressed air supply.
No pressure indication on the pressure
gauge (pressure regulator defective).
Disconnect compressed air supply
shortly or repair or change pressure
regulator.
Spray nozzle is clogged. Clean the nozzle according to the
instructions.
Insu cient compressed air supply. Check compressed air supply.
Filter insert in spray gun or high
pressure lter is clogged.
Clean the parts and use a suitable
working material.
Fluid section or high pressure hose
are blocked (e.g., two-component
material hardened).
Dismount and clean uid section,
replace high pressure hose.
Grease in spool and sleeve assembly. Degrease spool and sleeve assembly.
Pump stops at the stroke end. Check detent element
(see service manual).
Poor spray pattern See the gun instructions.
Irregular operation of
material pump: spray jet
collapses (pulsation)
Viscosity is too high. Thin spraying material.
Spraying pressure is too low. Increase incoming air pressure.
Use a smaller nozzle.
Valves are clogged. Clean material pump, if necessary leave
it to soak in cleaning agent.
Foreign body in suction valve. Dismount suction valve housing, clean
and check valve seat.
Diameter of compressed air line too
small.
Assemble a larger incoming line
-> Technical Data, Chapter 5.3.3.
Valves, packings or pistons are worn
out.
Replace the parts.
Control air lter or work air lter is
clogged.
Check lter and clean it if necessary.
The pump runs evenly,
does not however, suck
up material
The suction system's union nut is
loose; the pump is taking in air.
Tighten.
Suction lter is clogged. Clean lter.
Ball in suction or piston valve is stuck. Clean with cleaning agent
(if necessary vent device).
Pump runs when the
gun is closed
Packings, valves or pistons are worn
out.
Replace the parts.
The air motor is iced up There is a lot of condensation water in
the air supply.
Install a water separator.
If none of the causes of malfunction mentioned are present, the defect can be remedied by a WAGNER Service
Center.
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