Solution System 333Service Manual – CS7000
Problem Cause Correction
Inadequate solution
ow to the brushes in
the extended scrub
mode
The extended scrub function
is not installed in the
conguration menu.
Install the extended scrub function in the conguration
menu.
The stainer in the recovery
tank is dirty or plugged.
Remove and clean the strainer.
The extended scrub level
(oat) switch (
S4) is not
providing a ground to J7-15
Input
on A1 Main Machine
Controller.
The switch should be closed when in the lowermost
position (tank empty), and open when in the uppermost
position (tank full).
If the continuity through the switch in its upper and
lower positions is not correct:
1. Check the wiring and repair as necessary.
2. If the wiring is OK, replace the switch.
The extended scrub pump
(
M25) is not operating
correctly.
Check for voltage at the pump.
• If there is voltage at the pump, replace the pump.
• If there is no voltage at the pump:
1. Check the wiring and circuit breakers upstream
of the pump.
2. Check the J3-1 output from A1 Main Machine
Controller.
No detergent ow to
the solution system
The detergent and EcoFlex™
functions are not installed in
the conguration menu.
Install both the detergent and EcoFlex™ functions in
the conguration menu.
The detergent supply lines are
clogged.
Check the detergent lines and clean/replace as
necessary.
One or both of the detergent
pumps are not operating
correctly.
Check for voltage at the pumps.
• If there is voltage at a pump, replace the pump.
• If there is no voltage at a pump:
1. Check the wiring from J2-19 and J2-7, and J2-32
and J2-21 to the pumps.
2. Check the J2-19, J2-7, J2-32 and J2-21 outputs
from A1 Main Machine Controller.
The hot water system
is not operating.
The solution is not circulating
through the heat exchanger.
Check the solution hoses to and from the heat
exchanger and repair/replace as necessary.