ARAG 520005 - Troubleshooting

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 lter to the plug) and on the outer
pipes.
•Cleanthebottomlter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ow-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 ttings Incorrect tting seal
•Detachthehoseatthesnaporthre-
aded ttings and shorten it by around
10 mm to eliminate deformations at
the tting.
The compressor unit does not work,
the warning lights ash only once
+/- power reversed •Repairtheelectricconnection.