15
7.8 Troubleshooting
DEFECT
CAUSE
REMEDY
The compressor unit does not work,
the warning lights do not turn on
No power to the control box
• Check the fuse.
• Check the electrical connections of
the control box.
Electric connection between control
box and compressor cut off
• Check the connections between the
control box and the electric compres-
sor.
No foam coming out from the foam
marker
The tank will not pressurize
• Close the tank cap properly.
• Check the tightness of the pipes con
-
necting the compressor with the cap.
Break in the pneumo/hydraulic circuit
• Check there are no cracks in the
darkblue pipe inside the tank (from
the filter to the plug) and on the outer
pipes.
• Clean the bottom filter of liquid.
• Check for any constrictions along the
pipes.
Foam formation is not good
Sponge dirty or hardened
• Clean or replace the sponge in the
generator.
Water-foaming agent mix old
• Redo the water-foaming agent mix.
Flow-rate adjustment wrong
• Use the flow-rate regulator on the
tank cap to obtain a sufficiently dense
foam.
Constrictions in pipes
• Check the tubes to the foam markers.
Bleed air from the max. pressure valve
onto the plug
Constrictions in the pipes
• Check the tubes to the foam markers.
Air or liquid leaks from the fittings
Incorrect fitting seal
• Detach the hose at the snap or thre
-
aded fittings and shorten it by around
10 mm to eliminate deformations at
the fitting.
The compressor unit does not work,
the warning lights flash only once
+/- power reversed
• Repair the electric connection.