11
(holidays etc) it might be necessary
to bleed the piping system and the
booster unit again.
5. Service
Service may only be carried out by
authorized and qualified personnel.
Warning:
The system must only be
serviced when there is no voltage
or pressure on the system.
1. Turn off the main switch at the
control box (Fig. 13)
2. Open a water outlet to depres-
surise the system.
5.1 Components
5.1.1 Pump / motor
Pump/motor are maintenance free,
see section 2.2
5.1.2 Control system
Maintenance free
If defective: Call service technician
5.1.3 Flow trigger
Maintenance-free.
If defective, replace the flow switch.
Installation instructions, see Appen-
dix 110001767.
5.1.3.1 Adjustments of flow switch
1. Press "0" on the control panel
to stop the system.
2. Remove the cover.
3. Turn the "rinse/foam" handle
to foam position.
4. Activate the spray handle on
the outlet hose so water runs
out.
5. Check that the flow switch is
turned the correct way (the
wire must follow the flow direc
-
tion).
6. Turn the brass screw at the
bottom of the hole until a
green diode lights up.
7. Close the spray handle again
and check that the red diode
lights up.
8. Mount the cover.
5.1.4 Non-return valve / inlet
side
Maintenance - free.
If defective, replace the non-return
valve.
5.2 Recycling and scrap-
ping
Recycle the wrapping and scrap
the machine according to recom-
mendations from the local authori-
ties.
