40
VERSION 01/2018
ORDER NUMBER DOC 2316596
9 TROUBLESHOOTING 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 briey disconnect
compressed air supply.
No pressure indication on the
pressure gauge (air pressure
regulator defective).
Disconnect compressed air supply briey or
repair or change air pressure regulator.
Insucient compressed air supply. Check compressed air supply.
Fluid section or high-pressure hose
are blocked.
Dismount and clean uid section, replace
high-pressure hose.
Sometimes, the pump stops at a
switching point.
Press the starter on the reversing valve and
restart the pump.
Clean the slide on the reversing valve
carefully and if necessary lubricate it lightly
with oil.
Irregular operation of
product pump; spray jet
with irregular pressure
(pulsation).
Viscosity is too high. Dilute the working material.
Valves are clogged. Clean product pump, if necessary leave it to
soak in cleaning agent.
Foreign body in suction valve. Dismantle suction valve housing, clean and
check valve seat.
Diameter of compressed air line too
small.
Assemble a larger incoming line
-> Technical Data, Chapter 5.5.3)
Valves, packings, or pistons are
worn out.
Replace the parts.
Control air lter or work air lter is
clogged.
Check and clean it if necessary.
Suction lter is clogged. Clean lter.
Ball in suction or piston valve is
stuck.
Clean with cleaning agent (if necessary vent
device).
The pump runs when
the discharge duct is
closed.
Packings, valves, or pistons are
worn out.
Replace the parts.
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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