Internal Cleaning Of The Unit; Trouble Shooting And Remedy; Service Address - Nilfisk FOOD Yeti TW Instrucciones De Uso

9.5. Internal cleaning of the unit

We recommend opening and cleaning the unit inside min. once a week.

9.6. Trouble Shooting and Remedy

In case of errors/troubles not mentioned above, please contact your local service technician for further assis-
tance.

9.7. Service address

Please see the back cover of this manual
Fault
No pressure
Spreading of foam is unsatisfactory.
No spreading of foam.
The station does not build up air
pressure.
20
Cause
• No water supply.
• Defect in booster unit.
• Type of product not suitable.
• Insufficient air supply to the sta-
tion.
• Incorrect air pressure to station.
• Defect non-return valve for air.
• Too high air pressure in mixing
chamber (check air pressure on
air pressure gauge).
• Incorrect nozzle installed.
• Nozzle of mixing chamber
blocked
• No supply of detergent.
• Foam nozzle not installed.
• Non-return valve for detergent
blocked
• Concentration of produck is too
low
• Inlet valve for compressed air is
not open.
Remedy
• Open water supply valve.
• Consult directions for use of
booster unit.
• Change to correct type of
product.
• Provide sufficient air sup-
ply, 200 l/min - 52.83gpm.
6bar./87,02 psi.
• Adjust air pressure on pres-
sure regulator.
• Replace non-return valve for
air.
• Reduce air pressure on pres-
sure regulator.
• Place foam nozzle 50/200.
• Clean nozzle of mixing cham-
ber.
• Provide detergent.
• Place foam nozzle.
• Clean or replace valve.
•
• Select a larger limiting nozzle
• Open inlet valve for com-
pressed air.