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S4 » Trouble Shooting

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Incorrect chemical concentration
Delivery from the outlet hose is not smooth
No chemical flow at outlet
No rinsing pressure
No suction of chemicals
Poor foam quality
Rinse pressure too low
Unstable chemical flow at outlet
Unstable pump/rinsing pressure
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Suction filter at the end of the suction hose is blocked
Dosing valve/chemical restrictor, non-return valve, or filter at the chemical inlet is blocked
Chemical can empty
Viscosity of chemical product too high
Suction filter at the end of the suction hose is above fluid level in the chemical can
Wrong setting of the dosing valve
Chemical product is mixed with water
Injector system is blocked by chemical residue
No compressed air to the system
The chemical used is not a foam product
Too high air pressure to the injector
In- or outlet valves are closed
Ball valve at the system's inlet is not open
Supply station for boosting water pressure is not started
Function selector is not in the correct position
Too many users on the same supply station
Valve/gun at the end of the outlet hose not open
Insufficient water supply to the unit
Suction filter at the end of the suction hose is blocked
Empty chemical can
Function selector is not turned to "foam" or "disinfection"
Hole in foam nozzle (white protector) or disinfection nozzle (yellow protector) is blocked by chemical residues
Injector system is blocked by chemical residues
Leak on chemical inlet resulting in false air being sucked into the system
Dosing valve/chemical restictor or non return valve on the chemical inlet is blocked by chemical residues
Suction filter at the end of the suction hose is above fluid level in chemical can
The click dosing valve is not in the "click" position
Water pressure is too low
Function selector switch is not turned to "foam" or "disinfection"
Non-original disinfection or foam nozzle fitted