Trouble Shooting And Remedy; Service Address - Nilfisk-Advance Hybrid 7 BF4 Directions For Use Manual

8.5. Trouble shooting and remedy

If errors or problems occur that are not described, contact the local service technician for assistance.
Fault
The unit does • No supply voltage to the unit
not start
• Error message in display
• Flow switch out of adjustment
No pressure / • Insufficient water supply at unit
too low pressure • Filter is clogged
• The pump is leaking or making jarring
sounds
• Rinsing nozzle not installed
• No water supply

8.6. Service address

Refer the back of this manual.
35
Cause Remedy
• Make sure that power supply and inverter
are switched on
• Read error and act accordingly
• Try to readjust flow switch
• Open water supply valve
• Clean the filter
• Call technician
• Place rinsing nozzle
• Ensure water supply