10
Fault Diagnosis
Problem Reason Remedy
The spray pump and vacuum
does not work
• Power failure • Check the main fuse*, the power
supply cord and the plug
No spray or the spray is not
even
• Spray nozzle is blocked
• Solution tank is empty
• Solution feed lter
blockage
• Check the spray pipe and nozzle
• Is there water in the tank? If there is
water in the tank, wait for a couple
of seconds for the pump to build up
pressure
• If the tank is empty, ll it as indicated
• The lter in the clean water tank, the
pipe or the nozzle may be blocked.
Switch off the unit and perform
maintenance.
The vacuum power fails • The recovery tank may
be full
• Empty recovery tank.
*If the fuse blows several times, the machine should be checked by an authorized Service Agent.