Trouble Shooting And Remedy; Service Address - Nilfisk FOOD Hybrid MU421 Instrucciones De Uso

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9.8. Trouble Shooting and Remedy

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

9.9. Service address

Please see the back cover of this manual
Fault
The unit does
Is there voltage to the unit
not start
The unit does not start after reconnecting
voltage
Unit starts after changing start up method
After reactivating flow start
The "Δ" lamp on
Error messages on display
the control panel
is flashing
Error after restart
No pressure /
Insufficient water supply
too low pressure
Is the filter clogged
Is the pump leaking or making jarring sounds
Rinsing nozzle not installed
Defect in booster unit
No water supply
Insufficient foam
No supply of diluted products
creation
Product not suitable
Insufficient air supply
Air presure in mixing chamber too high
Defect non return valve for air
Incorrect nozzle
No foam crea-
No supply of diluted products
tion
Product not suitable
Air pressure in mixing chamber too high
Defect non return valve for air
No air supply
Non return valve blocked
Nozzle of mixing chamber blocked
No spray sani-
No supply of diluted products
tising
Non return valve blocked
Nozzle of mixing chamber blocked
22
Cause
Remedy
• Reconnect voltage
• Go to setup ->settings menu ->startup
method and set it to pressure
• Set unit back to flow start in setup menu
• Try to re adjust flow switch
• Press "O" wait for a few seconds and
then press "1" on the control panel to
restart the system
• Go to software manual
• Open water supply valve
• Clean the filter
• Call technician
• Place rinsing nozzle
• Consult direction for use of booster unit
• Ensure water supply
• Consult directions for use of dosing unit
• Choose suitable product
• Provide sufficient air supply
• Adjust air pressure setting
• Replace non return valve for air
• Place foam nozzle 50/200
• Consult directions for use of dosing unit
• Choose suitable product
• Adjust air pressure setting
• Replace non return valve for air
• Ensure air supply
• Clean or replace non return valve
• Clean nozzle
• Consult directions for use of dosing unit
• Clean or replace non return valve
• Clean nozzle

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Este manual también es adecuado para:

Hybrid mu422

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