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3.5 Solution delivery system: what to do if. . .
The delivered solution is not correct or not enough
1 The machine is switched off ⇒ Switch on the machine.
2 The machine doesn’t switch on ⇒ Refer to the proper section (see section
3.1 at page 9).
3 The solution tank is empty ⇒ Fill up the solution tank.
4 The proportional valve for the solu-
tion flow adjustment is completely
closed
⇒ Open the proportional valve to the
desired position.
5 The hose that connects the solution
tank to the filter is stuck
⇒ Clean the hose.
6 The solution filter is stuck ⇒ Clean the solution filter.
7 The brush deck is not in working
conditions
⇒ Lower the brush deck to the floor
Press the traction pedal to start the
washing.
8 The solenoid valve doesn’t work ⇒ Check the solenoid valve connec-
tions and, if necessary, replace it (see
section 4.5.4 at page 28).
9 The display shows an alarm mes-
sage
⇒ Check what alarm message is
shown and solve the related issue
by following the proper instructions
(see section 5.6.1 at page 44).
10 The detergent doesn’t fit the type of
dirt
⇒ Replace the detergent with a proper
one.
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