ECOFLEX™ SYSTEM
SERVICE MANUAL
ENGLISH
BA 451 / BA 451D / BA 531 / BA 531D / BA 551 / BA 551D / BA 551CD / BA 611D
CA 451 / CA 531 / CA 551
909 6756 000(
5)2010-03
43
TROUBLESHOOTING
SMALL AMOUNT OF DETERGENT OR NO DETERGENT REACHES THE BRUSHES
Possible causes
The detergent flow percentage is too low (check/change the percentage as shown in the User Manual).
1.
The hydraulic circuit upstream of the detergent pump is not triggered (check if the hose (48) is filled and, if necessary, perform
2.
one or more draining cycle, as shown in the relevant paragraph).
The pump is broken or there is an open in the electrical connection (replace the pump/repair the electrical connection).
3.
There is debris in the detergent tank clogging the output hole (clean the tank).
4.
There are debris in the detergent hoses clogging the detergent flow (clean the hoses).
5.
The detergent flow control switch is malfunctioning (check that the warning led (78) turns on; if necessary, replace the function
6.
electronic board).
The function electronic board is not set for the operation with EcoFlex™ system (if present, remove the jumper wire (J4)
7.
behind the electronic board).
The function electronic board is faulty (replace).
8.
THE DETERGENT REACHES THE BRUSHES ALSO WHEN THE MACHINE IS OFF
Possible causes
The pump is broken (replace).
1.
The one-way valve is broken (replace).
2.
THERE IS WATER IN THE DETERGENT TANK
Possible cause
The one-way valve is broken (replace).
1.
THE ECOFLEX™ SYSTEM DOES NOT TURN ON WHEN PRESSING THE SWITCH (77) AND THE Warning led
(78) DOES NOT TURN ON
Possible causes
The function electronic board is not set for the operation with EcoFlex™ system (if present, remove the jumper wire (J4)
1.
behind the electronic board).
The function electronic board is faulty (replace).
2.
J4
S301568
