MAINTENANCE
41
SpeedScrub Rider 331140 (03- 2015)
ec-H2O MODULE FLUSH PROCEDURE
(
ec-H2O models manufactured before ec-H2O
NanoClean models)
This procedure is only required when an alarm
sounds and the
ec- H2O
system indicator light
begins to blink red.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface and turn off
machine.
1. Drain the solution tank and recovery tank of
all water.
2. Pour 2 gallons (8 liters) of white or rice
vinegar into the solution tank at full strength.
Do not dilute. Use the rear fill port when
adding vinegar. Do not use the front fill port.
NOTE:
Use
white or rice vinegar
only. The
acidity level should be between 4- 8%.
Do not
use other acids for this procedure.
3. Disconnect the black connector fitting at the
scrub head and place the hose into a bucket.
4. Turn the key to the on position.
5. Press and release the
ec- H2O
module flush
switch to start the flush cycle
.
The module is
located under the seat
NOTE: The module will automatically shut off
when the flush cycle is complete (approx. 7
minutes). The module must run the full 7 minute
cycle in order to reset the system indicator light
and alarm.
6. After the 7 minute flush cycle, drain, rinse and
fill solution tank with clean water. Then press
the flush switch again to rinse out any
remaining vinegar from module. After 1- 2
minutes, press the flush switch to turn off the
module.
Repeat flush procedure if the
ec- H2O
module
does not reset. If module fails to reset,
contact an Authorized Service Center.